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https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_675211 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_675211.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_675211/ public Bulk raw isotopic data from tissue samples from non-tuna species collected in the eastern tropical Pacific Ocean onboard two NOAA research ships, David Starr Jordan and McArthur II, (cruises SWFSC1630 and SWFSC1631) in 2006 Bulk raw isotopic data from tissue samples from two species of ommastrephid cephalopods (squids), two species of mesopelagic myctophid fishes, and two species of euphausiid crustaceans collected in the eastern tropical Pacific Ocean onboard two NOAA research ships.\n\ncdm_data_type = Other\nVARIABLES:\nspecies (unitless)\nsample_number (unitless)\ncruise_id (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\ndate (unitless)\nlength (millimeters (mm))\nreplicate_number (unitless)\nd15N (D15 N, parts per thousand (per mil, ‰))\nd13C (D13 C, parts per thousand (per mil, ‰))\nMolar_C_to_N (dimensionless (ratio))\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_675211_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_675211/index.htmlTable https://www.bco-dmo.org/dataset/675211 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_675211.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_675211&showErrors=false&email= BCO-DMO bcodmo_dataset_675211
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_675055 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_675055.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_675055/ public Bulk raw isotopic data from tissue samples from three species of tunas collected in the eastern tropical Pacific Ocean onboard commercial tuna purse-seine vessels from 2003-2005 Bulk raw isotopic data from tissue samples from three species of tunas collected in the eastern tropical Pacific Ocean onboard commercial tuna purse-seine vessels.\n\ncdm_data_type = Other\nVARIABLES:\nspecies (unitless)\nsample_number (unitless)\nset_number (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\ndate (unitless)\nlength (millimeters (mm))\nsex (numeric (1 to 3))\nreplicate (unitless)\nd15N (D15 N, parts per thousand (per mil, ‰))\nd13C (D13 C, parts per thousand (per mil, ‰))\nMolar_C_to_N (dimensionless (ratio))\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_675055_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_675055/index.htmlTable https://www.bco-dmo.org/dataset/675055 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_675055.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_675055&showErrors=false&email= BCO-DMO bcodmo_dataset_675055
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_738169.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_738169 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_738169.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_738169/ public Bulk sediment organic matter composition of three marsh ponds in PIE-LTER (Rowley, MA) from 2014. Bulk sediment organic matter composition of three high marsh ponds within PIE-LTER. Data were collected over 11 weeks in the summer and fall of 2014.\n\ncdm_data_type = Other\nVARIABLES:\nseason (unitless)\nTide (unitless)\nWeek (unitless)\nPond (unitless)\nType (unitless)\nTOC (percent)\nd13C (D13 C, per mil)\nTN (percent)\nd15N (D15 N, per mill)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_738169_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_738169/index.htmlTable https://www.bco-dmo.org/dataset/738169 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_738169.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_738169&showErrors=false&email= BCO-DMO bcodmo_dataset_738169
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_811368 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_811368.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_811368/ public C and N stable isotopes and elemental ratios of high and low molecular weight (HMW, LMW) DOM collected from the North Pacific Subtropical Gyre and Central North Atlantic determined by elemental analyzer isotope ratio mass spectrometry (EA-IRMS) C and N stable isotopes and elemental ratios of high and low molecular weight (HMW, LMW) DOM collected from the North Pacific Subtropical Gyre and Central North Atlantic determined by elemental analyzer isotope ratio mass spectrometry (EA-IRMS). These data were published in Broek et al. (2019) and Broek et al. (2017).\n\ncdm_data_type = Other\nVARIABLES:\nlocation (unitless)\nyear (unitless)\nseason (unitless)\nsample_type (unitless)\ndepth (m)\nwt_pcnt_C (unitless (percent))\nwt_pcnt_C_stdev (unitless (percent))\nwt_pcnt_N (unitless (percent))\nwt_pcnt_N_stdev (unitless (percent))\nd15N (D15 N, permil (‰))\nd15N_stdev (D15 N Stdev, permil (‰))\nd13C (D13 C, permil (‰))\nd13C_stdev (D13 C Stdev, permil (‰))\nC_N_ratio (unitless)\nC_N_ratio_stdev (unitless)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_811368_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_811368/index.htmlTable https://www.bco-dmo.org/dataset/811368 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_811368.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_811368&showErrors=false&email= BCO-DMO bcodmo_dataset_811368
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_746307.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_746307 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_746307.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_746307/ public Carbon, nitrogen and their isotope composition of eelgrass from Virginia Coastal Lagoons and turtlegrass from St George Sound FL This dataset includes results of carbon and nitrogen analyses on seagrasses collected in the Virginia Coastal Lagoons and from St. George Sound FL in May, 2017.\n\ncdm_data_type = Other\nVARIABLES:\nLocation (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\nType_of_Material (unitless)\nSample_ID (unitless)\nd13C (D13 C, unitless)\nC_Amount_ug (micrograms)\nd13C_Comment (D13 C Comment, unitless)\nd15N (D15 N, unitless)\nN_Amount_ug (micrograms)\nDry_Mass_mg (milligrams)\npcnt_C_g_per_gDW (Pcnt C G Per G DW, unitless (grams/grams))\npcnt_N_g_per_gDW (Pcnt N G Per G DW, unitless (grams/grams))\nC_to_N (unitless (mol/mol))\nd15N_Comment (D15 N Comment, unitless)\nTray_Name (unitless)\nWell_Id (unitless)\nAnalysis (unitless)\nOurLabID (Our Lab ID, unitless)\nAnalysis_Number (unitless)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_746307_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_746307/index.htmlTable https://www.bco-dmo.org/dataset/746307 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_746307.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_746307&showErrors=false&email= BCO-DMO bcodmo_dataset_746307
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_516495 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_516495.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_516495/ public Concentrations and stable isotope abundances of particulate organic carbon (POC) and particulate organic nitrogen (PON) from Niskin bottle samples taken on R/V Melville cruise MV1008 in the Costa Rica Dome in 2010 (CRD FLUZiE project) Concentrations and stable isotope abundances of particulate organic carbon (POC) and particulate organic nitrogen (PON). Samples were collected on the MV1008 cruise in the Costa Rica Dome (CRD) region of the Eastern Tropical Pacific Ocean.\n\ncdm_data_type = Other\nVARIABLES:\nevent (integer)\ncast (integer)\ncycle (text)\ndate_local (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\ndepth (m)\nniskin (integer)\nPOC (Particulate Organic Carbon, micrograms per liter (ug L-1))\nPON (micrograms per liter (ug L-1))\nd13C (D13 C, micrograms per liter (ug L-1))\nd15N (D15 N, micrograms per liter (ug L-1))\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_516495_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_516495/index.htmlTable https://www.bco-dmo.org/dataset/516495 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_516495.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_516495&showErrors=false&email= BCO-DMO bcodmo_dataset_516495
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_489283.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_489283 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_489283.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_489283/ public Content of nitrogen and carbon in tracer filters from Cape Flattery, WA from 2010-2011 (Regenerated Nitrogen project) We evaluated the role of mussels by adding 15N-labeled NH4+ to an assemblage\nof tidepools where they were either present at natural abundance levels, or\nabsent through manual removal. \\u00a0The role of phototrophs was separately\nexamined by conducting these experiments both during the day and at night.\n\\u00a0The tidal height of pools varied between 1.2 to 1.5 m above Mean Lower\nLow Water (MLLW). Tidepools were thus isolated from each other as well as the\nnearshore environment during the low tide period when experiments were\nconducted. Each experiment included 4 to 5 mussel removal (MR) tidepools\n(since 2002) and 4 to 5 mussel control (MC) tidepools with natural mussel\ndensities. \\u00a0In June 2010, we performed daytime NH4+ tracer experiments\nand in August 2010 nighttime experiments using the same tidepools. The\nfollowing year (July 2011) these experiments were repeated with the addition\nof bottle incubations (see below) to evaluate the effects of suspended\ntidepool components and extended sampling for 6 days after the initial 15N\naddition to test for long-term retention of NH4+. \\u00a0During the 2011\nexperiments, unforeseen rain reduced the salinity in some pools by up to 51%,\nand we have attempted to correct for the expected dilution of NH4+ in our\ntidepool rate calculations.\n \nBecause isotope enrichment levels were relatively low, we used the\nconventional delta notation instead of atom% to describe variations in 15N\nenrichment (where delta-15NH4+ = {(15N:14N sample \\u00f7 15N:14N standard)\n-1}\\u00d71000\\u2030, where the standard is atmospheric N2. \\u00a0Tracer\nlabeled ammonium chloride (15NH4Cl) was added to the pools to approximate a\n1000\\u2030 enrichment in 2010 (doubling the 15N-NH4+ concentration) and a\n2000\\u2030 enrichment in 2011(tripling the 15N-NH4+ concentration). 15N\nnatural abundance is only 0.365% and these tracer additions thus had a\nnegligible effect on the overall NH4+ concentrations increasing them by only\n~0.4% and ~0.8%, respectively. Tidepool volumes were estimated\nspectrophotometrically using varying concentrations of food dye (Pfister\n1995). Together with estimates of NH4+ concentration (from 2009 data), we\nestimated the tracer addition required to achieve the targeted 15N\nenrichments. However, the actual initial enrichments varied substantially,\n684.4 - 2406.4\\u2030 in 2010 and 781.4 - 3880.2\\u2030 in 2011, likely due to\nerror in tidepool volume estimation and natural variations in initial NH4+\nconcentrations. Fortunately, we sampled immediately following each tracer\naddition allowing for the determination of the true initial 15N enrichment.\n\\u00a0\n \nPrior to tracer addition at ebb tide, 100 mL of tidepool water was syringe-\nfiltered (Whatman GF/F) into separate HDPE bottles for natural abundance\n15NH4+ and concentration determination. \\u00a0To each pool, tracer 15NH4+ was\nthen added and distributed by stirring with a stick. Water samples were\nimmediately collected for measuring initial 15N enrichment and subsequently at\n2, 4, and 6 hour intervals to determine isotope and concentration time\ncourses. All water samples were frozen until analysis. Tidepool oxygen, pH,\nand temperature (Hach HQ4D) were also collected at ~ 2 h intervals throughout\nthe experiment.\n \nIn 2011 we also assessed the contribution of the suspended microbial community\nto NH4+ cycling by enclosing tidepool water in a 250 mL transparent\npolycarbonate incubation bottle. Following tracer addition, the bottle was\nfilled, then left to float in the tidepool for the duration of the experiment.\nSamples from bottles were filtered as described both immediately after\ncontainment and at the end of the experiment (~6 h later).\n \nWe assessed macroalgal contribution to NH4+ removal by transplanting two\ntidepool-dwelling algae species. \\u00a0Prionitis sternbergii were sampled 2\nweeks prior to the experiment for baseline natural abundance 15N values and\ntransplanted into the pools with Z-Spar Epoxy (Pfister 2007). On the day of\nthe experiment, the red-alga, Corallina vancouveriensis from a single source\npatch, was also sampled for 15N natural abundance, inserted into pieces of\nStyrofoam, and floated in each pool.\n \nAt the end of each experiment (~6 h sampling point), we sampled tidepool\nparticulate organic material (POM) by filtering through combusted GF/F filters\nuntil they clogged (~ 600 mL), comparing these samples with POM similarly\nsampled from the immediate nearshore. \\u00a0Floating Corallina spp. samples\nwere collected into clean Eppendorf tubes, and similar sized pieces of\nPrionitis spp. were collected from each pool into clean foil packets.\\u00a0  \n We evaluated the extent of longer-term 15N tracer retention in 2011 by\nsampling tidepool water, POM and transplanted Prionitis 1, 3, and 6 days\nfollowing tracer addition. We sampled at ebb tide and at again at slack water\njust prior to high tide on the first day after tracer addition (that is, 24 h\nlater) and at slack water prior to high tide on Day 3 and 6.\\u00a0\n \nRelevant References:\n \n2014\\. Pather, S., C. A. Pfister, M. Altabet, D. M. Post. Ammonium cycling in\nthe rocky intertidal: remineralization, removal and retention. Limnology and\nOceanography\n59:361-372.\\u00a0[http://aslo.org/lo/toc/vol_59/issue_2/0361.htm](\\\\http://aslo.org/lo/toc/vol_59/issue_2/0361.html\\\\)\n \nDOI for this dataset:\\u00a0The role of regenerated nitrogen for rocky shore\nproductivity, Cape Flattery, Washington, 2010 &\n2011.\\u00a0Handle:\\u00a0[http://hdl.handle.net/1912/6420](\\\\http://hdl.handle.net/1912/6420\\\\).\\u00a0DOI:10.1575/1912/6420\n \nRelated Datasets:  \n[ammonium removal by seaweeds](\\\\https://www.bco-dmo.org/dataset/489420\\\\)  \n[natural abundance N and C filter content](\\\\http://www.bco-\ndmo.org/dataset/489310\\\\)  \n[tidepool ammonium and mussels](\\\\https://www.bco-dmo.org/dataset/488860\\\\)  \n[tidepool incubation ammonium](\\\\https://www.bco-dmo.org/dataset/489085\\\\)\n\ncdm_data_type = Other\nVARIABLES:\nsite (unitless)\n... (12 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_489283_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_489283/index.htmlTable https://www.bco-dmo.org/dataset/489283 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_489283.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_489283&showErrors=false&email= BCO-DMO bcodmo_dataset_489283
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_768655 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_768655.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_768655/ public Estimated nitrate d15N modeled using an ensemble of artificial neural networks (EANNs) We utilize an ensemble of artificial neural networks (EANNs) to interpolate our global ocean nitrate d15N database, producing complete 3D maps of the data. By utilizing an artificial neural network (ANN), a machine learning approach that effectively identifies nonlinear relationships between a target variable (the isotopic dataset) and a set of input features (other available ocean datasets), we can fill holes in our data sampling coverage of nitrate d15N.\n\ncdm_data_type = Other\nVARIABLES:\nlatitude (degrees_north)\nlongitude (degrees_east)\ndepth (m)\nd15N (D15 N, per mil)\nd15N_stdev (D15 N Stdev, per mil)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_768655_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_768655/index.htmlTable https://www.bco-dmo.org/dataset/768655 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_768655.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_768655&showErrors=false&email= BCO-DMO bcodmo_dataset_768655
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_489420.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_489420 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_489420.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_489420/ public Macroalgal contribution to NH4+ removal in tidepools from Cape Flattery, WA from 2010-2011 (Regenerated Nitrogen project) We evaluated the role of mussels by adding 15N-labeled NH4+ to an assemblage\nof tidepools where they were either present at natural abundance levels, or\nabsent through manual removal. \\u00a0The role of phototrophs was separately\nexamined by conducting these experiments both during the day and at night.\n\\u00a0The tidal height of pools varied between 1.2 to 1.5 m above Mean Lower\nLow Water (MLLW). Tidepools were thus isolated from each other as well as the\nnearshore environment during the low tide period when experiments were\nconducted. Each experiment included 4 to 5 mussel removal (MR) tidepools\n(since 2002) and 4 to 5 mussel control (MC) tidepools with natural mussel\ndensities. \\u00a0In June 2010, we performed daytime NH4+ tracer experiments\nand in August 2010 nighttime experiments using the same tidepools. The\nfollowing year (July 2011) these experiments were repeated with the addition\nof bottle incubations (see below) to evaluate the effects of suspended\ntidepool components and extended sampling for 6 days after the initial 15N\naddition to test for long-term retention of NH4+. \\u00a0During the 2011\nexperiments, unforeseen rain reduced the salinity in some pools by up to 51%,\nand we have attempted to correct for the expected dilution of NH4+ in our\ntidepool rate calculations.\n \nBecause isotope enrichment levels were relatively low, we used the\nconventional delta notation instead of atom% to describe variations in 15N\nenrichment (where delta-15NH4+ = {(15N:14N sample \\u00f7 15N:14N standard)\n-1}\\u00d71000\\u2030, where the standard is atmospheric N2. \\u00a0Tracer\nlabeled ammonium chloride (15NH4Cl) was added to the pools to approximate a\n1000\\u2030 enrichment in 2010 (doubling the 15N-NH4+ concentration) and a\n2000\\u2030 enrichment in 2011(tripling the 15N-NH4+ concentration). 15N\nnatural abundance is only 0.365% and these tracer additions thus had a\nnegligible effect on the overall NH4+ concentrations increasing them by only\n~0.4% and ~0.8%, respectively. Tidepool volumes were estimated\nspectrophotometrically using varying concentrations of food dye (Pfister\n1995). Together with estimates of NH4+ concentration (from 2009 data), we\nestimated the tracer addition required to achieve the targeted 15N\nenrichments. However, the actual initial enrichments varied substantially,\n684.4 - 2406.4\\u2030 in 2010 and 781.4 - 3880.2\\u2030 in 2011, likely due to\nerror in tidepool volume estimation and natural variations in initial NH4+\nconcentrations. Fortunately, we sampled immediately following each tracer\naddition allowing for the determination of the true initial 15N enrichment.\n\\u00a0\n \nPrior to tracer addition at ebb tide, 100 mL of tidepool water was syringe-\nfiltered (Whatman GF/F) into separate HDPE bottles for natural abundance\n15NH4+ and concentration determination. \\u00a0To each pool, tracer 15NH4+ was\nthen added and distributed by stirring with a stick. Water samples were\nimmediately collected for measuring initial 15N enrichment and subsequently at\n2, 4, and 6 hour intervals to determine isotope and concentration time\ncourses. All water samples were frozen until analysis. Tidepool oxygen, pH,\nand temperature (Hach HQ4D) were also collected at ~ 2 h intervals throughout\nthe experiment.\n \nIn 2011 we also assessed the contribution of the suspended microbial community\nto NH4+ cycling by enclosing tidepool water in a 250 mL transparent\npolycarbonate incubation bottle. Following tracer addition, the bottle was\nfilled, then left to float in the tidepool for the duration of the experiment.\nSamples from bottles were filtered as described both immediately after\ncontainment and at the end of the experiment (~6 h later).\n \nWe assessed macroalgal contribution to NH4+ removal by transplanting two\ntidepool-dwelling algae species. \\u00a0Prionitis sternbergii were sampled 2\nweeks prior to the experiment for baseline natural abundance 15N values and\ntransplanted into the pools with Z-Spar Epoxy (Pfister 2007). On the day of\nthe experiment, the red-alga, Corallina vancouveriensis from a single source\npatch, was also sampled for 15N natural abundance, inserted into pieces of\nStyrofoam, and floated in each pool.\n \nAt the end of each experiment (~6 h sampling point), we sampled tidepool\nparticulate organic material (POM) by filtering through combusted GF/F filters\nuntil they clogged (~ 600 mL), comparing these samples with POM similarly\nsampled from the immediate nearshore. \\u00a0Floating Corallina spp. samples\nwere collected into clean Eppendorf tubes, and similar sized pieces of\nPrionitis spp. were collected from each pool into clean foil packets.\\u00a0  \n We evaluated the extent of longer-term 15N tracer retention in 2011 by\nsampling tidepool water, POM and transplanted Prionitis 1, 3, and 6 days\nfollowing tracer addition. We sampled at ebb tide and at again at slack water\njust prior to high tide on the first day after tracer addition (that is, 24 h\nlater) and at slack water prior to high tide on Day 3 and 6.\\u00a0\n \nRelevant References:\n \n2014\\. Pather, S., C. A. Pfister, M. Altabet, D. M. Post. Ammonium cycling in\nthe rocky intertidal: remineralization, removal and retention. Limnology and\nOceanography\n59:361-372.\\u00a0[http://aslo.org/lo/toc/vol_59/issue_2/0361.htm](\\\\http://aslo.org/lo/toc/vol_59/issue_2/0361.html\\\\)\n \nDOI for this dataset:\\u00a0The role of regenerated nitrogen for rocky shore\nproductivity, Cape Flattery, Washington, 2010 &\n2011.\\u00a0Handle:\\u00a0[http://hdl.handle.net/1912/6420](\\\\http://hdl.handle.net/1912/6420\\\\).\\u00a0DOI:10.1575/1912/6420\n \nRelated Datasets:  \n[filter tracer content](\\\\https://www.bco-dmo.org/dataset/489283\\\\)  \n[natural abundance N and C filter content](\\\\http://www.bco-\ndmo.org/dataset/489310\\\\)  \n[tidepool ammonium and mussels](\\\\https://www.bco-dmo.org/dataset/488860\\\\)  \n[tidepool incubation ammonium](\\\\https://www.bco-dmo.org/dataset/489085\\\\)\n\ncdm_data_type = Other\nVARIABLES:\nsite (unitless)\n... (10 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_489420_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_489420/index.htmlTable https://www.bco-dmo.org/dataset/489420 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_489420.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_489420&showErrors=false&email= BCO-DMO bcodmo_dataset_489420
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_489310.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_489310 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_489310.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_489310/ public Natural abundance of nitrogen and carbon on filters from Cape Flattery, WA from 2010-2011 (Regenerated Nitrogen project) We evaluated the role of mussels by adding 15N-labeled NH4+ to an assemblage\nof tidepools where they were either present at natural abundance levels, or\nabsent through manual removal. \\u00a0The role of phototrophs was separately\nexamined by conducting these experiments both during the day and at night.\n\\u00a0The tidal height of pools varied between 1.2 to 1.5 m above Mean Lower\nLow Water (MLLW). Tidepools were thus isolated from each other as well as the\nnearshore environment during the low tide period when experiments were\nconducted. Each experiment included 4 to 5 mussel removal (MR) tidepools\n(since 2002) and 4 to 5 mussel control (MC) tidepools with natural mussel\ndensities. \\u00a0In June 2010, we performed daytime NH4+ tracer experiments\nand in August 2010 nighttime experiments using the same tidepools. The\nfollowing year (July 2011) these experiments were repeated with the addition\nof bottle incubations (see below) to evaluate the effects of suspended\ntidepool components and extended sampling for 6 days after the initial 15N\naddition to test for long-term retention of NH4+. \\u00a0During the 2011\nexperiments, unforeseen rain reduced the salinity in some pools by up to 51%,\nand we have attempted to correct for the expected dilution of NH4+ in our\ntidepool rate calculations.\n \nBecause isotope enrichment levels were relatively low, we used the\nconventional delta notation instead of atom% to describe variations in 15N\nenrichment (where delta-15NH4+ = {(15N:14N sample \\u00f7 15N:14N standard)\n-1}\\u00d71000\\u2030, where the standard is atmospheric N2. \\u00a0Tracer\nlabeled ammonium chloride (15NH4Cl) was added to the pools to approximate a\n1000\\u2030 enrichment in 2010 (doubling the 15N-NH4+ concentration) and a\n2000\\u2030 enrichment in 2011(tripling the 15N-NH4+ concentration). 15N\nnatural abundance is only 0.365% and these tracer additions thus had a\nnegligible effect on the overall NH4+ concentrations increasing them by only\n~0.4% and ~0.8%, respectively. Tidepool volumes were estimated\nspectrophotometrically using varying concentrations of food dye (Pfister\n1995). Together with estimates of NH4+ concentration (from 2009 data), we\nestimated the tracer addition required to achieve the targeted 15N\nenrichments. However, the actual initial enrichments varied substantially,\n684.4 - 2406.4\\u2030 in 2010 and 781.4 - 3880.2\\u2030 in 2011, likely due to\nerror in tidepool volume estimation and natural variations in initial NH4+\nconcentrations. Fortunately, we sampled immediately following each tracer\naddition allowing for the determination of the true initial 15N enrichment.\n\\u00a0\n \nPrior to tracer addition at ebb tide, 100 mL of tidepool water was syringe-\nfiltered (Whatman GF/F) into separate HDPE bottles for natural abundance\n15NH4+ and concentration determination. \\u00a0To each pool, tracer 15NH4+ was\nthen added and distributed by stirring with a stick. Water samples were\nimmediately collected for measuring initial 15N enrichment and subsequently at\n2, 4, and 6 hour intervals to determine isotope and concentration time\ncourses. All water samples were frozen until analysis. Tidepool oxygen, pH,\nand temperature (Hach HQ4D) were also collected at ~ 2 h intervals throughout\nthe experiment.\n \nIn 2011 we also assessed the contribution of the suspended microbial community\nto NH4+ cycling by enclosing tidepool water in a 250 mL transparent\npolycarbonate incubation bottle. Following tracer addition, the bottle was\nfilled, then left to float in the tidepool for the duration of the experiment.\nSamples from bottles were filtered as described both immediately after\ncontainment and at the end of the experiment (~6 h later).\n \nWe assessed macroalgal contribution to NH4+ removal by transplanting two\ntidepool-dwelling algae species. \\u00a0Prionitis sternbergii were sampled 2\nweeks prior to the experiment for baseline natural abundance 15N values and\ntransplanted into the pools with Z-Spar Epoxy (Pfister 2007). On the day of\nthe experiment, the red-alga, Corallina vancouveriensis from a single source\npatch, was also sampled for 15N natural abundance, inserted into pieces of\nStyrofoam, and floated in each pool.\n \nAt the end of each experiment (~6 h sampling point), we sampled tidepool\nparticulate organic material (POM) by filtering through combusted GF/F filters\nuntil they clogged (~ 600 mL), comparing these samples with POM similarly\nsampled from the immediate nearshore. \\u00a0Floating Corallina spp. samples\nwere collected into clean Eppendorf tubes, and similar sized pieces of\nPrionitis spp. were collected from each pool into clean foil packets.\\u00a0  \n We evaluated the extent of longer-term 15N tracer retention in 2011 by\nsampling tidepool water, POM and transplanted Prionitis 1, 3, and 6 days\nfollowing tracer addition. We sampled at ebb tide and at again at slack water\njust prior to high tide on the first day after tracer addition (that is, 24 h\nlater) and at slack water prior to high tide on Day 3 and 6.\\u00a0\n \nRelevant References:\n \n2014\\. Pather, S., C. A. Pfister, M. Altabet, D. M. Post. Ammonium cycling in\nthe rocky intertidal: remineralization, removal and retention. Limnology and\nOceanography\n59:361-372.\\u00a0[http://aslo.org/lo/toc/vol_59/issue_2/0361.htm](\\\\http://aslo.org/lo/toc/vol_59/issue_2/0361.html\\\\)\n \nDOI for this dataset:\\u00a0The role of regenerated nitrogen for rocky shore\nproductivity, Cape Flattery, Washington, 2010 &\n2011.\\u00a0Handle:\\u00a0[http://hdl.handle.net/1912/6420](\\\\http://hdl.handle.net/1912/6420\\\\).\\u00a0DOI:10.1575/1912/6420\n \nRelated Datasets:  \n[ammonium removal by seaweeds](\\\\https://www.bco-dmo.org/dataset/489420\\\\)  \n[filter tracer content](\\\\https://www.bco-dmo.org/dataset/489283\\\\)  \n[tidepool ammonium and mussels](\\\\https://www.bco-dmo.org/dataset/488860\\\\)  \n[tidepool incubation ammonium](\\\\https://www.bco-dmo.org/dataset/489085\\\\)\n\ncdm_data_type = Other\nVARIABLES:\nsite (unitless)\n... (10 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_489310_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_489310/index.htmlTable https://www.bco-dmo.org/dataset/489310 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_489310.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_489310&showErrors=false&email= BCO-DMO bcodmo_dataset_489310
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_738188 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_738188.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_738188/ public Organic matter composition of the dominant plants in and around three marsh ponds in PIE-LTER (Rowley, MA) from 2014. Organic matter composition of the dominant plant communities in and around three high marsh ponds within PIE-LTER. Data were collected in the summer of 2014.\n\ncdm_data_type = Other\nVARIABLES:\nPlant (unitless)\nPond (unitless)\nTOC (percent)\nd13C (D13 C, per mil)\nTN (percent)\nd15N (D15 N, per mil)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_738188_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_738188/index.htmlTable https://www.bco-dmo.org/dataset/738188 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_738188.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_738188&showErrors=false&email= BCO-DMO bcodmo_dataset_738188
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_747394 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_747394.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_747394/ public Planktic foraminifer shell d15N from core-top sediments from the Sargasso Sea Planktic foraminifer shell d15N from core-top sediments (off Bermuda) in the western subtropical North Atlantic. Core-top sediments from 4570 m water depth (31\\u00b044\\u2019N, 64\\u00b005\\u2019W).\n\ncdm_data_type = Other\nVARIABLES:\nspecies (unitless)\nd15N (D15 N, per mil vs AIR)\nTotal_N (nmol)\nweight (mg)\nN_content (nmol/mg)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_747394_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_747394/index.htmlTable https://www.bco-dmo.org/dataset/747394 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_747394.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_747394&showErrors=false&email= BCO-DMO bcodmo_dataset_747394
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_747279 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_747279.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_747279/ public Planktic foraminifer shell d15N from net tows in the Sargasso Sea at BATS and Hydro Station S Planktic foraminifer shell d15N from net tows in the Sargasso Sea (off Bermuda) in the western subtropical North Atlantic. Net tow samples from 0-200 m at BATS (31\\u00b040\\u2019N, 64\\u00b010\\u2019W) and Hydro Station S (32\\u00b010\\u2019N, 64\\u00b034\\u2019W), collectected on R/V Atlantic Explorer cruises HS1178, B274, AE1203, B280, B283, AE1220, B287, B292, B295, B299.\n\ncdm_data_type = Other\nVARIABLES:\nspecies (unitless)\ndate (unitless)\ndepth_category (Depth, meters (m))\nd15N (D15 N, per mil)\nTotal_N (nanomoles (nmol))\nweight (milligrams (mg))\nN_content (nanomoles per milligram (nmol/mg))\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_747279_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_747279/index.htmlTable https://www.bco-dmo.org/dataset/747279 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_747279.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_747279&showErrors=false&email= BCO-DMO bcodmo_dataset_747279
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_747341 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_747341.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_747341/ public Planktic foraminifer shell d15N from Oceanic Flux Program (OFP) sediment traps in the Sargasso Sea Planktic foraminifer shell d15N from sediment traps in the Sargasso Sea (off Bermuda) in the western subtropical North Atlantic. Sediment traps from 500 m, 1500 m, and 3200 m water depth (31\\u00b050\\u2019N, 64\\u00b010\\u2019W).\n\ncdm_data_type = Other\nVARIABLES:\nspecies (unitless)\ndate (unitless)\nnum_individuals_500m (unitless)\nnum_individuals_1500m (unitless)\nnum_individuals_3200m (unitless)\nnum_individuals_TOTAL (unitless)\nd15N (D15 N, per mil)\nTotal_N (nanomoles (nmol))\nweight (milligrams (mg))\nN_content (nanomoles per milligram (nmol/mg))\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_747341_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_747341/index.htmlTable https://www.bco-dmo.org/dataset/747341 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_747341.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_747341&showErrors=false&email= BCO-DMO bcodmo_dataset_747341
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_747248 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_747248.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_747248/ public Planktic foraminifer tissue d15N from net tows in the Sargasso Sea at BATS and Hydro Station S Planktic foraminifer tissue d15N from net tows in the Sargasso Sea (off Bermuda) in the western subtropical North Atlantic. Net tow samples from 0-200 m at BATS (31\\u00b040\\u2019N, 64\\u00b010\\u2019W) and Hydro Station S (32\\u00b010\\u2019N, 64\\u00b034\\u2019W), collectected on R/V Atlantic Explorer cruises HS1178, B274, AE1203, B280, B283, AE1220, B287, B292, B295, B299.\n\ncdm_data_type = Other\nVARIABLES:\nspecies (unitless)\ndate (unitless)\ndepth_category (Depth, meters (m))\nnum_individuals (unitless)\nd15N (D15 N, per mil)\nTotal_N (nanomoles (nmol))\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_747248_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_747248/index.htmlTable https://www.bco-dmo.org/dataset/747248 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_747248.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_747248&showErrors=false&email= BCO-DMO bcodmo_dataset_747248
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_731187 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_731187.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_731187/ public Plocamium carbon and nitrogen content and stable isotope values, 2014-2015 (Seaweed OA Resilience project) Plocamium carbon and nitrogen content and stable isotope values, 2014-2015\n\ncdm_data_type = Other\nVARIABLES:\nDate (unitless)\nSample_ID (unitless)\nd13C (D13 C, ppt)\nC_mass_sample (micrograms)\npcent_C (unitless)\nd15N (D15 N, ppt)\nN_mass_sample (micrograms)\npcent_N (unitless)\nC_N (unitless)\nmass_plant (milligrams)\nFlag (unitless)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_731187_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_731187/index.htmlTable https://www.bco-dmo.org/dataset/731187 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_731187.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_731187&showErrors=false&email= BCO-DMO bcodmo_dataset_731187
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_746325 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_746325.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_746325/ public Reference carbon and nitrogen concentrations, and isotope ratios from alfalfa, nylon-6, bovine liver, and enriched alanine This dataset includes results of carbon and nitrogen analyses on reference materials including alfalfa, nylon-6, bovine liver, and enriched alanine. The reference materials were analyzed for Carbon, Nitrogen, delta-13C, and delta-15N by the Stable Isotope Facility, U.C. Davis using a PDZ Europa ANCA-GSL elemental analyzer interfaced to a PDZ Europa 20-20 isotope ratio mass spectrometer (Sercon Ltd., Cheshire, UK).\n\ncdm_data_type = Other\nVARIABLES:\nReference (unitless)\nAnalysis (unitless)\nWeight_ug (micrograms)\nC_Amount_ug (micrograms)\nd13C (D13 C, unitless)\nN_Amount_ug (micrograms)\nd15N (D15 N, unitless)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_746325_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_746325/index.htmlTable https://www.bco-dmo.org/dataset/746325 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_746325.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_746325&showErrors=false&email= BCO-DMO bcodmo_dataset_746325
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_772776.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_772776 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_772776.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_772776/ public Size fractionated zooplankton C:N, d13C, and d15N from the EXPORTS cruise on R/V Roger Revelle (RR1813) during August and September 2018 Size fractionated zooplankton C:N, d13C, and d15N from the EXPORTS cruise on R/V Roger Revelle (RR1813) during August and September 2018. Zooplankton were collected using a multiple opening-closing net and environmental sensing system (MOCNESS).\n\ncdm_data_type = Other\nVARIABLES:\nCruise (unitless)\nR2R_Event (R2 R Event, unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\nDate (unitless)\ntime2 (Time, unitless)\ntime (ISO Date Time UTC, seconds since 1970-01-01T00:00:00Z)\nMOCNESS_Tow (unitless)\nDayNight (Day Night, unitless)\nMOCNESS_Net (unitless)\ndepth (m)\nDepthInterval_min (Depth, meters)\nVolFilt (Vol Filt, cubic meters)\nSizeFraction_min (Size Fraction Min, micrometers (um))\nSizeFraction_max (Size Fraction Max, micrometers (um))\nSampleWeight (Sample Weight, milligrams (mg))\nN (micrograms (ug))\nd15N (D15 N, permil (‰) vs AIR)\nC (micrograms (ug))\nd13C (D13 C, per mil (‰) vs VPDB)\nC_to_N (mol/mol)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_772776_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_772776/index.htmlTable https://www.bco-dmo.org/dataset/772776 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_772776.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_772776&showErrors=false&email= BCO-DMO bcodmo_dataset_772776
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_732564 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_732564.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_732564/ public Stable isotope ratios and mass of carbon and nitrogen in Ulva cells under ocean acidification conditions (Seaweed OA Resilience project) This dataset includes carbon and nitrogen content and stable isotope values from Ulva lactuca tissue grown at 15\\u00b0 C and various CO2 levels, from May 2015 through July 2015.\n\ncdm_data_type = Other\nVARIABLES:\nSample_ID (unitless)\npCO2_avg (P CO2 Avg, microatmospheres (µatm))\npCO2_sd (P CO2 Sd, microatmospheres (µatm))\nd13C (D13 C, parts per thousand (ppt))\nC_mass_sample (micrograms)\nd15N (D15 N, parts per thousand (ppt))\nN_mass_sample (micrograms)\nC_N (unitless)\nmass_plant (milligrams)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_732564_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_732564/index.htmlTable https://www.bco-dmo.org/dataset/732564 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_732564.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_732564&showErrors=false&email= BCO-DMO bcodmo_dataset_732564
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_746344 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_746344.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_746344/ public Summary of carbon and nitrogen concentrations and isotope ratios from samples of eelgrass from Virginia Coastal Lagoons and turtlegrass from St George Sound FL This dataset includes a summary of results of carbon and nitrogen analyses on seagrasses collected in the Virginia Coastal Lagoons and from St. George Sound FL. Mean carbon and nitrogen concentrations and their isotope ratios are reported for leaf and root/rhizome samples. Also reported are the standard deviation, standard error, number of samples in the means, and the 95% confidence limits.\n\ncdm_data_type = Other\nVARIABLES:\nLocation (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\ntime (Date Collected, seconds since 1970-01-01T00:00:00Z)\nTissue (unitless)\nvalue (unitless)\nd13C (D13 C, unitless)\nd15N (D15 N, unitless)\npcnt_C_g_per_gDW (Pcnt C G Per G DW, unitless (grams/grams))\npcnt_N_g_per_gDW (Pcnt N G Per G DW, unitless (grams/grams))\nC_to_N (unitless)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_746344_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_746344/index.htmlTable https://www.bco-dmo.org/dataset/746344 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_746344.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_746344&showErrors=false&email= BCO-DMO bcodmo_dataset_746344
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_738178 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_738178.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_738178/ public Suspended particulate organic matter composition of three marsh ponds in PIE-LTER (Rowley, MA) from 2014. Suspended particulate organic matter composition of three high marsh ponds within PIE-LTER. Data were collected over 11 weeks in the summer and fall of 2014.\n\ncdm_data_type = Other\nVARIABLES:\nseason (unitless)\nTide (unitless)\nweek (unitless)\nPond (unitless)\nTOC (percent)\nmg_C_L (miligrams per liter)\nmg_N_L (miligrams per liter)\nd13C (D13 C, per mil)\nTN (percent)\nd15N (D15 N, per mill)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_738178_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_738178/index.htmlTable https://www.bco-dmo.org/dataset/738178 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_738178.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_738178&showErrors=false&email= BCO-DMO bcodmo_dataset_738178

 
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