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Grid DAP Data | Sub- set | Table DAP Data | Make A Graph | W M S | Source Data Files | Acces- sible | Title | Sum- mary | FGDC, ISO, Metadata | Back- ground Info | RSS | E | Institution | Dataset ID |
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data | graph | files | public | [ammonium] - Ammonium (NH4) data from CTD rosette bottles from R/V Thomas G. Thompson and R/V Kilo Moana cruises TN277, KM1301, KM1312 in the Eastern North Pacific Ocean from 2012- 2013 (POWOW project) (Seasonal and decadal changes in temperature drive Prochlorococcus ecotype distribution patterns) | F I M | background | BCO-DMO | bcodmo_dataset_3754 |
Row Type | Variable Name | Attribute Name | Data Type | Value |
---|---|---|---|---|
attribute | NC_GLOBAL | access_formats | String | .htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson,.odvTxt |
attribute | NC_GLOBAL | acquisition_description | String | Ammonium was measured on fresh, unfiltered samples following Holmes et al. 1999. Certified reference materials were used to verify protocols (Inorganic Ventures: QCP-NT, QCP-NUT-1, CGSI1-1). The detection limits of NH4 were: 9 nM for POWOW1 samples 5 nM for POWOW2 and POWOW3 samples |
attribute | NC_GLOBAL | awards_0_award_nid | String | 55018 |
attribute | NC_GLOBAL | awards_0_award_number | String | OCE-1031064 |
attribute | NC_GLOBAL | awards_0_data_url | String | http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1031064 |
attribute | NC_GLOBAL | awards_0_funder_name | String | NSF Division of Ocean Sciences |
attribute | NC_GLOBAL | awards_0_funding_acronym | String | NSF OCE |
attribute | NC_GLOBAL | awards_0_funding_source_nid | String | 355 |
attribute | NC_GLOBAL | awards_0_program_manager | String | David L. Garrison |
attribute | NC_GLOBAL | awards_0_program_manager_nid | String | 50534 |
attribute | NC_GLOBAL | cdm_data_type | String | Other |
attribute | NC_GLOBAL | comment | String | Ammonium (NH4) PI: Zackary Johnson (Duke University) Version History: Dataset updated: 10 July 2014 (current version) Original data: 25 Oct 2012 Note: 0 = mean of replicated samples was below detection limit (Detection limits: 9 nM for POWOW1; 5 nM for POWOW2 and 3). |
attribute | NC_GLOBAL | Conventions | String | COARDS, CF-1.6, ACDD-1.3 |
attribute | NC_GLOBAL | creator_email | String | info at bco-dmo.org |
attribute | NC_GLOBAL | creator_name | String | BCO-DMO |
attribute | NC_GLOBAL | creator_type | String | institution |
attribute | NC_GLOBAL | creator_url | String | https://www.bco-dmo.org/ |
attribute | NC_GLOBAL | data_source | String | extract_data_as_tsv version 2.3 19 Dec 2019 |
attribute | NC_GLOBAL | date_created | String | 2012-10-23T19:42:35Z |
attribute | NC_GLOBAL | date_modified | String | 2019-03-05T18:16:51Z |
attribute | NC_GLOBAL | defaultDataQuery | String | &time<now |
attribute | NC_GLOBAL | doi | String | 10.1575/1912/bco-dmo.3754.2 |
attribute | NC_GLOBAL | Easternmost_Easting | double | -118.316 |
attribute | NC_GLOBAL | geospatial_lat_max | double | 46.6888 |
attribute | NC_GLOBAL | geospatial_lat_min | double | 21.3428 |
attribute | NC_GLOBAL | geospatial_lat_units | String | degrees_north |
attribute | NC_GLOBAL | geospatial_lon_max | double | -118.316 |
attribute | NC_GLOBAL | geospatial_lon_min | double | -160.6166 |
attribute | NC_GLOBAL | geospatial_lon_units | String | degrees_east |
attribute | NC_GLOBAL | geospatial_vertical_max | double | 1000.0 |
attribute | NC_GLOBAL | geospatial_vertical_min | double | 2.0 |
attribute | NC_GLOBAL | geospatial_vertical_positive | String | down |
attribute | NC_GLOBAL | geospatial_vertical_units | String | m |
attribute | NC_GLOBAL | infoUrl | String | https://www.bco-dmo.org/dataset/3754 |
attribute | NC_GLOBAL | institution | String | BCO-DMO |
attribute | NC_GLOBAL | instruments_0_acronym | String | Niskin bottle |
attribute | NC_GLOBAL | instruments_0_dataset_instrument_nid | String | 518543 |
attribute | NC_GLOBAL | instruments_0_description | String | A Niskin bottle (a next generation water sampler based on the Nansen bottle) is a cylindrical, non-metallic water collection device with stoppers at both ends. The bottles can be attached individually on a hydrowire or deployed in 12, 24 or 36 bottle Rosette systems mounted on a frame and combined with a CTD. Niskin bottles are used to collect discrete water samples for a range of measurements including pigments, nutrients, plankton, etc. |
attribute | NC_GLOBAL | instruments_0_instrument_external_identifier | String | https://vocab.nerc.ac.uk/collection/L22/current/TOOL0412/ |
attribute | NC_GLOBAL | instruments_0_instrument_name | String | Niskin bottle |
attribute | NC_GLOBAL | instruments_0_instrument_nid | String | 413 |
attribute | NC_GLOBAL | instruments_0_supplied_name | String | Niskin bottle |
attribute | NC_GLOBAL | keywords | String | ammonia, ammonium, bco, bco-dmo, biological, bot, cast, chemical, chemistry, concentration, cruise, cruise_name, data, dataset, date, day, day_utc, depth, depth_w, dmo, earth, Earth Science > Oceans > Ocean Chemistry > Ammonia, erddap, iso, latitude, longitude, management, mole, mole_concentration_of_ammonium_in_sea_water, month, month_utc, name, nh4, ocean, oceanography, oceans, office, preliminary, science, sea, seawater, time, time_utc, water, year |
attribute | NC_GLOBAL | keywords_vocabulary | String | GCMD Science Keywords |
attribute | NC_GLOBAL | license | String | https://www.bco-dmo.org/dataset/3754/license |
attribute | NC_GLOBAL | metadata_source | String | https://www.bco-dmo.org/api/dataset/3754 |
attribute | NC_GLOBAL | Northernmost_Northing | double | 46.6888 |
attribute | NC_GLOBAL | param_mapping | String | {'3754': {'lat': 'master - latitude', 'depth': 'flag - depth', 'lon': 'master - longitude', 'ISO_DateTime_UTC': 'flag - time'}} |
attribute | NC_GLOBAL | parameter_source | String | https://www.bco-dmo.org/mapserver/dataset/3754/parameters |
attribute | NC_GLOBAL | people_0_affiliation | String | Duke University |
attribute | NC_GLOBAL | people_0_person_name | String | Zackary I. Johnson |
attribute | NC_GLOBAL | people_0_person_nid | String | 50749 |
attribute | NC_GLOBAL | people_0_role | String | Principal Investigator |
attribute | NC_GLOBAL | people_0_role_type | String | originator |
attribute | NC_GLOBAL | people_1_affiliation | String | Woods Hole Oceanographic Institution |
attribute | NC_GLOBAL | people_1_affiliation_acronym | String | WHOI BCO-DMO |
attribute | NC_GLOBAL | people_1_person_name | String | Shannon Rauch |
attribute | NC_GLOBAL | people_1_person_nid | String | 51498 |
attribute | NC_GLOBAL | people_1_role | String | BCO-DMO Data Manager |
attribute | NC_GLOBAL | people_1_role_type | String | related |
attribute | NC_GLOBAL | project | String | POWOW |
attribute | NC_GLOBAL | projects_0_acronym | String | POWOW |
attribute | NC_GLOBAL | projects_0_description | String | Project also known as 'Prochlorococcus Of Warming Ocean Waters' (POWOW). The two numerically-dominant ecotypes of the marine cyanobacterium Prochlorococcus partition the surface ocean niche latitudinally, with ecotype eMIT9312 dominant in the 30 degree N to 30 degree S region and eMED4 dominant at higher latitudes. These ecotypes may account for 25-50% of primary production in open ocean ecosystems, but this percentage is dependent on which ecotype dominates. The relative abundance of the two ecotypes follows a log-linear relationship with temperature, with the transition from eMIT9312 to eMED4 occurring at approx. 18 degrees C. From these descriptive data, it has been hypothesized that temperature is the primary driver of relative abundance. Their contribution to net primary production, however, appears to be independent of temperature, suggesting temperature regulates ecotype dominance through photosynthesis-independent mechanisms. To test these hypotheses, the PIs are undertaking a series of field and lab studies to investigate the effect of temperature change on the distribution of these ecotypes. Two cruises in the North Pacific will trace the transitions from eMIT9312- to eMED4-dominated regions, with one cruise during the winter and the other during summer. They have hypothesized that the ratio of ecotype abundance will move latitudinally with the seasonal shift in temperature gradient: migration of the 18 degrees C isotherm northward in the summer will be matched by a similar migration of the 1:1 ecotype transition point. Multiple crossings of the 18 degrees C isotherm are proposed, and the summer cruise will also follow the isotherm to the Western US coast to gain insight on physical and geochemical influences. Environmental variables such as nutrient concentrations, light/mixing depths, and virus /grazing based mortality, which may impinge on the relationship between temperature and ecotype ratio, will be assessed through a series of multivariate analyses of the collected suite of physical, chemical and biological data. Seasonal comparisons will be complemented with on-deck incubations and lab competition assays (using existing and new isolates) that will establish, for the first time, how fitness coefficients of these ecotypes relate to temperature. As latitudinal shifts in temperature gradient and migration of ecotypes during seasonal warming likely share common features with high latitude warming as a consequence of climate change, the investigator's analyses will contribute important biological parameters (e.g., abundances, production rates, temperature change coefficients) for modeling biological and biogeochemical responses to climate change. This research will be integrated with that of committed collaborators, generating data sufficient for ecosystem-scale characterizations of the contributions of temperature (relative to other forcing factors) in constraining the range and seasonal migration of these numerically dominant marine phototrophs. Publications produced as result of this research: Rowe, J.M., DeBruyn, J.M., Poorvin, L., LeCleir, G.R., Johnson, Z.I., Zinser, E.R., and Wilhelm, S.W. 2012. Viral and bacterial abundance and production in the Western Pacific Ocean and the relation to other oceanic realms. FEMS Microbiology Ecology, 72, p. 359. DOI: 10.1111/j.1574-6941.2011.01223.x Morris, J.J., Lenski, R.E. and E.R. Zinser. 2012. The Black Queen Hypothesis: Evolution of Dependencies through Adaptive Gene Loss. mBio, 3, p. e00036-12. DOI: 10.1128/mBio.00036-12 Morris, J.J., Johnson, Z.I., Szul, M.J., Keller, M., and Zinser, E.R. 2011. Dependence of the cyanobacterium Prochlorococcus on hydrogen peroxide scavenging microbes for growth at the ocean's surface. PLoS One, 6(2), p. 16805. DOI:10.1371/journal.pone.0016805 Ringuet, S., Sassano, L., and Johnson, Z.I. 2011. A suite of microplate reader-based colorimetric methods to quantify ammonium, nitrate, orthophosphate and silicate concentrations for aquatic nutrient monitoring. Journal of Environmental Monitoring. DOI:10.1039/C0EM00290A Ritchie, A.E. and Johnson, Z.I. 2012. Abundance and genetic diversity of aerobic anoxygenic phototrophic bacteria of coastal regions of the Pacific Ocean. Applied and Environmental Microbiology, 78, p. 2858. DOI: 10.1128/AEM.06268-11 |
attribute | NC_GLOBAL | projects_0_end_date | String | 2014-09 |
attribute | NC_GLOBAL | projects_0_geolocation | String | Eastern North Pacific Ocean |
attribute | NC_GLOBAL | projects_0_name | String | Seasonal and decadal changes in temperature drive Prochlorococcus ecotype distribution patterns |
attribute | NC_GLOBAL | projects_0_project_nid | String | 2237 |
attribute | NC_GLOBAL | projects_0_project_website | String | http://oceanography.ml.duke.edu/johnson/research/powow/ |
attribute | NC_GLOBAL | projects_0_start_date | String | 2010-10 |
attribute | NC_GLOBAL | publisher_name | String | Biological and Chemical Oceanographic Data Management Office (BCO-DMO) |
attribute | NC_GLOBAL | publisher_type | String | institution |
attribute | NC_GLOBAL | sourceUrl | String | (local files) |
attribute | NC_GLOBAL | Southernmost_Northing | double | 21.3428 |
attribute | NC_GLOBAL | standard_name_vocabulary | String | CF Standard Name Table v55 |
attribute | NC_GLOBAL | summary | String | Ammonium (NH4) data from CTD rosette bottles from R/V Thomas G. Thompson and R/V Kilo Moana cruises TN277, KM1301, KM1312 in the Eastern North Pacific Ocean from 2012-2013 (POWOW project) |
attribute | NC_GLOBAL | time_coverage_end | String | 2013-07-27T19:10:00.00Z |
attribute | NC_GLOBAL | time_coverage_start | String | 2012-03-01T12:46:00.00Z |
attribute | NC_GLOBAL | title | String | [ammonium] - Ammonium (NH4) data from CTD rosette bottles from R/V Thomas G. Thompson and R/V Kilo Moana cruises TN277, KM1301, KM1312 in the Eastern North Pacific Ocean from 2012-2013 (POWOW project) (Seasonal and decadal changes in temperature drive Prochlorococcus ecotype distribution patterns) |
attribute | NC_GLOBAL | version | String | 2 |
attribute | NC_GLOBAL | Westernmost_Easting | double | -160.6166 |
attribute | NC_GLOBAL | xml_source | String | osprey2erddap.update_xml() v1.3 |
variable | cruise_name | String | ||
attribute | cruise_name | bcodmo_name | String | Cruise Name |
attribute | cruise_name | description | String | Cruise identifier (POWOW1 = TN277 = R/V Thomas G. Thompson cruise 277; POWOW2 = KM1301 = R/V Kilo Moana cruise 1301; POWOW3 = KM1312 = R/V Kilo Moana cruise 1312). |
attribute | cruise_name | long_name | String | Cruise Name |
attribute | cruise_name | units | String | text |
variable | cast | String | ||
attribute | cast | bcodmo_name | String | cast |
attribute | cast | description | String | Consecutive CTD cast number. CTD numbers are unique and sequential across stations. |
attribute | cast | long_name | String | Cast |
attribute | cast | units | String | unitless |
variable | latitude | double | ||
attribute | latitude | _CoordinateAxisType | String | Lat |
attribute | latitude | _FillValue | double | NaN |
attribute | latitude | actual_range | double | 21.3428, 46.6888 |
attribute | latitude | axis | String | Y |
attribute | latitude | bcodmo_name | String | latitude |
attribute | latitude | colorBarMaximum | double | 90.0 |
attribute | latitude | colorBarMinimum | double | -90.0 |
attribute | latitude | description | String | Latitude at start of CTD cast. Positive = North. |
attribute | latitude | ioos_category | String | Location |
attribute | latitude | long_name | String | Latitude |
attribute | latitude | nerc_identifier | String | https://vocab.nerc.ac.uk/collection/P09/current/LATX/ |
attribute | latitude | standard_name | String | latitude |
attribute | latitude | units | String | degrees_north |
variable | longitude | double | ||
attribute | longitude | _CoordinateAxisType | String | Lon |
attribute | longitude | _FillValue | double | NaN |
attribute | longitude | actual_range | double | -160.6166, -118.316 |
attribute | longitude | axis | String | X |
attribute | longitude | bcodmo_name | String | longitude |
attribute | longitude | colorBarMaximum | double | 180.0 |
attribute | longitude | colorBarMinimum | double | -180.0 |
attribute | longitude | description | String | Longitude at start of CTD cast. Positive = East. |
attribute | longitude | ioos_category | String | Location |
attribute | longitude | long_name | String | Longitude |
attribute | longitude | nerc_identifier | String | https://vocab.nerc.ac.uk/collection/P09/current/LONX/ |
attribute | longitude | standard_name | String | longitude |
attribute | longitude | units | String | degrees_east |
variable | depth_w | short | ||
attribute | depth_w | _FillValue | short | 32767 |
attribute | depth_w | actual_range | short | 349, 6055 |
attribute | depth_w | bcodmo_name | String | depth_w |
attribute | depth_w | colorBarMaximum | double | 8000.0 |
attribute | depth_w | colorBarMinimum | double | -8000.0 |
attribute | depth_w | colorBarPalette | String | TopographyDepth |
attribute | depth_w | description | String | Depth of the water (bottom depth) at sampling station. |
attribute | depth_w | long_name | String | Depth |
attribute | depth_w | standard_name | String | depth |
attribute | depth_w | units | String | meters |
variable | month_utc | String | ||
attribute | month_utc | bcodmo_name | String | month_utc |
attribute | month_utc | description | String | 2-digit month of year, UTC. |
attribute | month_utc | long_name | String | Month Utc |
attribute | month_utc | units | String | mm (01 to 12) |
variable | day_utc | String | ||
attribute | day_utc | bcodmo_name | String | day_utc |
attribute | day_utc | description | String | 2-digit day of month, UTC. |
attribute | day_utc | long_name | String | Day Utc |
attribute | day_utc | units | String | dd (01 to 31) |
variable | year | short | ||
attribute | year | _FillValue | short | 32767 |
attribute | year | actual_range | short | 2012, 2013 |
attribute | year | bcodmo_name | String | year |
attribute | year | description | String | 4-digit year. in YYYY format |
attribute | year | long_name | String | Year |
attribute | year | nerc_identifier | String | https://vocab.nerc.ac.uk/collection/P01/current/YEARXXXX/ |
attribute | year | units | String | unitless |
variable | time_utc | String | ||
attribute | time_utc | bcodmo_name | String | time_utc |
attribute | time_utc | description | String | Time (UTC) at start of sample collection, 24-hour clock. |
attribute | time_utc | long_name | String | Time Utc |
attribute | time_utc | units | String | HHMM.mm |
variable | time | double | ||
attribute | time | _CoordinateAxisType | String | Time |
attribute | time | actual_range | double | 1.33060596E9, 1.3749522E9 |
attribute | time | axis | String | T |
attribute | time | bcodmo_name | String | ISO_DateTime_UTC |
attribute | time | description | String | Date/Time (UTC) ISO8601 formatted. T indicates start of time string; Z indicates UTC. |
attribute | time | ioos_category | String | Time |
attribute | time | long_name | String | ISO Date Time UTC |
attribute | time | nerc_identifier | String | https://vocab.nerc.ac.uk/collection/P01/current/DTUT8601/ |
attribute | time | source_name | String | ISO_DateTime_UTC |
attribute | time | standard_name | String | time |
attribute | time | time_origin | String | 01-JAN-1970 00:00:00 |
attribute | time | time_precision | String | 1970-01-01T00:00:00.00Z |
attribute | time | units | String | seconds since 1970-01-01T00:00:00Z |
variable | depth | double | ||
attribute | depth | _CoordinateAxisType | String | Height |
attribute | depth | _CoordinateZisPositive | String | down |
attribute | depth | _FillValue | double | NaN |
attribute | depth | actual_range | double | 2.0, 1000.0 |
attribute | depth | axis | String | Z |
attribute | depth | bcodmo_name | String | depth |
attribute | depth | colorBarMaximum | double | 8000.0 |
attribute | depth | colorBarMinimum | double | -8000.0 |
attribute | depth | colorBarPalette | String | TopographyDepth |
attribute | depth | description | String | Sample depth. |
attribute | depth | ioos_category | String | Location |
attribute | depth | long_name | String | Depth |
attribute | depth | nerc_identifier | String | https://vocab.nerc.ac.uk/collection/P09/current/DEPH/ |
attribute | depth | positive | String | down |
attribute | depth | standard_name | String | depth |
attribute | depth | units | String | m |
variable | bot | byte | ||
attribute | bot | _FillValue | byte | 127 |
attribute | bot | actual_range | byte | 1, 24 |
attribute | bot | bcodmo_name | String | bot |
attribute | bot | description | String | Rosette position of the bottle. |
attribute | bot | long_name | String | Bot |
attribute | bot | units | String | unitless |
variable | NH4 | short | ||
attribute | NH4 | _FillValue | short | 32767 |
attribute | NH4 | actual_range | short | 0, 647 |
attribute | NH4 | bcodmo_name | String | Ammonium |
attribute | NH4 | colorBarMaximum | double | 5.0 |
attribute | NH4 | colorBarMinimum | double | 0.0 |
attribute | NH4 | description | String | Ammonium (NH4) concentration in nM. |
attribute | NH4 | long_name | String | Mole Concentration Of Ammonium In Sea Water |
attribute | NH4 | nerc_identifier | String | https://vocab.nerc.ac.uk/collection/P01/current/AMONAAZX/ |
attribute | NH4 | units | String | nanomolar (nM) |
The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.