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https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_782921 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_782921.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_782921/ public [Ehux elemental composition across thermal range] - Elemental stoichiometry for Emiliania huxleyi across a range of 12 temperatures from 8.5-28.6C (How does intensity and frequency of environmental variability affect phytoplankton growth?) This dataset includes elemental stoichiometry for Emiliania huxleyi across a range of 12 temperatures from 8.5-28.6C. Global warming will be combined with predicted increases in thermal variability in the future surface ocean, but how temperature dynamics will affect phytoplankton biology and biogeochemistry is largely unknown. Here, we examine the responses of the globally important marine coccolithophore Emiliania huxleyi to thermal variations at two frequencies (1 d and 2 d) at low (18.5 \\u00b0C) and high (25.5 \\u00b0C) mean temperatures. Elevated temperature and thermal variation decreased growth, calcification and physiological rates, both individually and interactively. The 1 d thermal variation frequencies were less inhibitory than 2 d variations under high temperatures, indicating that high-frequency thermal fluctuations may reduce heat-induced mortality and mitigate some impacts of extreme high-temperature events. Cellular elemental composition and calcification was significantly affected by both thermal variation treatments relative to each other and to the constant temperature controls. The negative effects of thermal variation on E. huxleyi growth rate and physiology are especially pronounced at high temperatures. These responses of the key marine calcifier E. huxleyi to warmer, more variable temperature regimes have potentially large implications for ocean productivity and marine biogeochemical cycles under a future changing climate.\n\ncdm_data_type = Other\nVARIABLES:\nTemperature (degrees Celsius)\nTPC_PON (unitless)\nPIC_POC (unitless)\nChla_POC (Concentration Of Chlorophyll In Sea Water, milligrams/gram)\nPOC_PON (unitless)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_782921_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_782921/index.htmlTable https://www.bco-dmo.org/dataset/782921 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_782921.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_782921&showErrors=false&email= BCO-DMO bcodmo_dataset_782921
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_782901 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_782901.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_782901/ public [Ehux physiology under thermal variation] - Intracellular elemental quotas under low and high temperatures for E. huxleyi in constant and fluctuating thermal environments (How does intensity and frequency of environmental variability affect phytoplankton growth?) Intracellular elemental quotas under low and high temperatures for E. huxleyi in constant and fluctuating thermal environments. This dataset includes the growth rates under low and high temperatures for E. huxleyi in constant and fluctuating thermal environments. Global warming will be combined with predicted increases in thermal variability in the future surface ocean, but how temperature dynamics will affect phytoplankton biology and biogeochemistry is largely unknown. Here, we examine the responses of the globally important marine coccolithophore Emiliania huxleyi to thermal variations at two frequencies (1 d and 2 d) at low (18.5 \\u00b0C) and high (25.5 \\u00b0C) mean temperatures. Elevated temperature and thermal variation decreased growth, calcification and physiological rates, both individually and interactively. The 1 d thermal variation frequencies were less inhibitory than 2 d variations under high temperatures, indicating that high-frequency thermal fluctuations may reduce heat-induced mortality and mitigate some impacts of extreme high-temperature events. Cellular elemental composition and calcification was significantly affected by both thermal variation treatments relative to each other and to the constant temperature controls. The negative effects of thermal variation on E. huxleyi growth rate and physiology are especially pronounced at high temperatures. These responses of the key marine calcifier E. huxleyi to warmer, more variable temperature regimes have potentially large implications for ocean productivity and marine biogeochemical cycles under a future changing climate.\n\ncdm_data_type = Other\nVARIABLES:\nTemperature (degrees Celsius)\nvariation (unitless)\nPOC (Particulate Organic Carbon, picograms/cell)\nPIC (Particulate Inorganic Carbon, picograms/cell)\nPON (picograms/cell)\nTPC (picograms/cell)\nPOP (picograms/cell)\nChla (Concentration Of Chlorophyll In Sea Water, picograms/cell)\ncarbon_fix_rate (10 -7 umol Carbon cell-1 hr-1)\nphotosyn_rate (10 -7 umol Carbon cell-1 hr-1)\n... (7 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_782901_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_782901/index.htmlTable https://www.bco-dmo.org/dataset/782901 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_782901.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_782901&showErrors=false&email= BCO-DMO bcodmo_dataset_782901
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_3871.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_3871 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_3871.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_3871/ public [GT10-11 - Particulate composition] - Size-fractionated major and minor particle composition and concentration from R/V Knorr KN199-04 & KN204-01 (GA03) in the subtropical North Atlantic Ocean from 2010-2011 (U.S. GEOTRACES North Atlantic Transect) Size-fractionated major and minor particle composition and concentration from R/V Knorr KN199-04, KN204-01 in the subtropical North Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project).\n\ncdm_data_type = Other\nVARIABLES:\ncruise_id (text)\nstation_GEOTRC (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\ndate (unitless)\ntime2 (Time, unitless)\ndepth_w (Depth, meters)\ncast_GEOTRC (integer)\ncast_flag (unitless)\ncast_type (integer)\nevent_GEOTRC (unitless)\ndepth_n (Depth, meters)\ndepth_flag (Depth, unitless)\ndepth_sd (Depth, meters)\ndepth_sd_flag (Depth, unitless)\ndepth (m)\ndepth_GEOTRC_CTD_round (Depth, meters)\nsample_GEOTRC (unitless)\nsample_bottle_GEOTRC (integer)\nbottle_GEOTRC (unitless)\nsample_GEOTRC_flag (unitless)\nBTL_ISO_DateTime_UTC (BTL ISO Date Time UTC, unitless)\ntime (ISO Date Time UTC, seconds since 1970-01-01T00:00:00Z)\npump (unitless)\npump_flag (unitless)\nvol_QMA (liters)\n... (219 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_3871_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_3871_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_3871/index.htmlTable https://www.bco-dmo.org/dataset/3871 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_3871.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_3871&showErrors=false&email= BCO-DMO bcodmo_dataset_3871
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_765850 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_765850.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_765850/ public [In-situ pump data] - TPC, PIC, POC, TPN, and Th-234 from in-situ pumps at the Porcupine Abyssal Plain Sustained Observatory (PAP-SO) site in the Northeast Atlantic Ocean during RRS Discovery cruise DY077 in April of 2017 (Collaborative Research:   Are all traps created equal?  A multi-method assessment of the collection and detection of sinking particles in the ocean) TPC, PIC, POC, TPN, and Th-234 from in-situ pumps at the Porcupine Abyssal Plain Sustained Observatory (PAP-SO) site in the Northeast Atlantic Ocean during RRS Discovery cruise DY077 in April of 2017.\n\ncdm_data_type = Other\nVARIABLES:\ndeployment (unitless)\nstation (unitless)\ndepth (m)\npore_size (micrometers (um))\nlatitude (degrees_north)\nlongitude (degrees_east)\ndate_start (unitless)\ntime_start (unitless)\ntime (ISO Date Time Start, seconds since 1970-01-01T00:00:00Z)\ndate_end (unitless)\ntime_end (unitless)\nvolume (liters (L))\nTPN (micromoles per liter (umol/L))\nTPN_err (micromoles per liter (umol/L))\nTPC (micromoles per liter (umol/L))\nTPC_err (micromoles per liter (umol/L))\nPIC (Particulate Inorganic Carbon, micrograms per liter (ug/L))\nPIC_err (micrograms per liter (ug/L))\nPOC (Particulate Organic Carbon, micromoles per liter (umol/L))\nPOC_err (micromoles per liter (umol/L))\nTh234_part (disintegration per minute per liter (dpm/L))\nTh234_part_err (disintegration per minute per liter (dpm/L))\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_765850_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_765850_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_765850/index.htmlTable https://www.bco-dmo.org/dataset/765850 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_765850.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_765850&showErrors=false&email= BCO-DMO bcodmo_dataset_765850

 
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