Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-25T12:49:34Z GCMD Search: [Parameters: Topic='OCEANS', Term='OCEAN CHEMISTRY', Variable_Level_1='NUTRIENTS'] http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 313 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NCAR_DS259.0 Kleypas and Doney's Biogeochemical Properties in the Ocean Mixed Layer 1959-01-01T00:00:00Z 1999-12-31T00:00:00Z 2013-05-24T04:00:00Z Field measurements of nutrients, chlorophyll, primary production, bacteria, HPLC pigments, and other biogeochemical parameters are compiled for nine JGOFS time-series and process study sites. ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]SIPEX_II_Stable_Isotopes_Sterols Carbon isotopic signal of cholesterol and brassicasterol (respectively zooplankton and phytoplankton indicator) and presence of particulate Barium in the Antarctic sea-ice - collected during SIPEX II, 2012 115.0,-67.0,125.0,-62.0 2012-09-25T00:00:00Z 2012-11-01T00:00:00Z 2013-05-10T04:00:00Z Overview of the project and objectives: Sea-ice phytoplankton is significantly enriched in 13C (delta 13C-POC) compared to pelagic phytoplankton in adjacent open waters because of carbon limitation ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]SIPEX_II_Trace_Metals Sea ice Trace Metals sampling during the SIPEX II voyage of the Aurora Australis, 2012 120.08,-64.26,120.08,-64.26120.58,-64.54,120.58,-64.54120.53,-65.08,120.53,-65.08118.55,-65.15,118.55,-65.15116.44,-64.49,116.44,-64.49 2012-09-26T00:00:00Z 2012-10-29T00:00:00Z 2013-05-10T04:00:00Z Antarctic sea ice is known to store key micronutrients, such as iron, as well as a suite of less studied trace metals in winter which are rapidly released in spring. This stimulates ice edge phytoplankton ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]SIPEX_II_Stable_Isotopes_Si_N_C Determination of the regimes of production in the Antarctic sea-ice during SIPEX 2 using Si, N, and C stable isotope in-situ incubation experiments and 13C and 14C primary production method intercomparison 115.0,-67.0,125.0,-62.0 2012-09-25T00:00:00Z 2012-11-01T00:00:00Z 2013-05-08T04:00:00Z Overview of the project and objectives: Assessing the contribution of the different N substrates to the primary production process, such as the biogenic silica production and dissolution in the Antarctic ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]SIPEX_II_Stable_Isotopes Metadata file presenting the stable isotope toolbox used to describe the biogeochemical system functioning during the SIPEX II voyage of the Aurora Australis, 2012 115.0,-67.0,125.0,-62.0 2012-09-25T00:00:00Z 2012-11-01T00:00:00Z 2013-05-08T04:00:00Z Overview of the project and objectives: To investigate whether the Nitrogen - Silicon - Carbon biogeochemical system functions in the Antarctic Marginal Ice Zone and shows spatial variability possibly ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]AMT Atlantic Meridional Transect -40.0,-50.0,-4.0,50.0 1995-01-01T00:00:00Z T00:00:00Z 2013-05-03T04:00:00Z The Atlantic Meridional Transect (AMT) is a multidisciplinary programme which undertakes biological, chemical and physical oceanographic research during an annual voyage between the UK and destinations ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GB-NERC-BAS-PDC-00526 Antarctic Peninsula Long Term Environmental Monitoring and Surveying 2013-04-05T04:00:00Z LTMS will build on and extend BAS's past collection of long-term time-series of key environmental variables. Examples include the ongoing collection of the temperature record which shows that the ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]BROKE-West_primary_productivity Primary productivity, pulse amplitude modulated fluorometry and nutrient drawdown data from the marginal ice zone: BROKE-WEST survey 30o-80oE, 2006 30.0,-67.2,80.0,-61.5 2006-01-19T00:00:00Z 2006-02-27T00:00:00Z 2013-04-03T04:00:00Z This data set contains primary productivity, pulse amplitude modulated fluorometry, and nutrient drawdown numbers associated with the abstract presented below. 14C Primary Productivity Gross column-integrated ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_3026_SIPEX SIPEX data iron site - Aurora Australis voyage Sept-Oct 2007 116.83,-65.55,127.95,-64.22 2007-09-11T00:00:00Z 2007-10-07T00:00:00Z 2013-03-25T04:00:00Z This work was completed as part of the SIPEX - Sea Ice Physics and Ecosystem eXperiment - voyage. Adapted from the SPIEX website: During SIPEX we investigated the biogeochemistry of iron (Fe), including ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_3026_Casey The role of iron as a micro-nutrient to the Antarctic sea-ice zone algal community - Casey Data 110.6,-66.3,110.7,-66.2 2009-11-10T00:00:00Z 2009-12-02T00:00:00Z 2013-03-25T04:00:00Z Public Description of the Project This project will assess the importance of the trace micro-nutrient element iron to Antarctic sea-ice algal communities during the International Polar Year (2007-2009). ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]SACC South Atlantic Climate Change Consortium -68.6,-54.75,-64.5,-52.25 2009-03-22T00:00:00Z 2009-03-24T00:00:00Z 2013-03-13T04:00:00Z On 22-24 March 2009 we occupied two hydrographic sections across the eastern mouth of the Magellan Strait and the Le Maire Strait. These data were collected to establish the water mass properties ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]SIPEX_II_Iron Iron(II) measurements on water column samples collected on the SIPEX II voyage of the Aurora Australis, 2012 120.0,-66.0,122.0,-60.0 2012-09-24T00:00:00Z 2012-10-31T00:00:00Z 2013-01-14T05:00:00Z Water samples for dissolved trace metal measurements were collected from the surface (15m) down to the 1000m using an autonomous intelligent rosette system (General Ocanics, USA) specially adapted ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CBP_PSDB Chesapeake Bay Program Nutrient Point Source Database -80.53758,36.66154,-74.5759,42.979 1984-01-01T00:00:00Z 1998-12-31T00:00:00Z 2012-12-21T05:00:00Z The Chesapeake Bay Program Nutrient Point Source Database contains data from about 600 nutrient dischargers in the Bay watershed. This database provides facility information, average flow data, average ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CBP_WSM43 Chesapeake Bay Program Watershed Model Scenario Output Database -80.53758,36.66154,-74.5759,42.979 1985-01-01T00:00:00Z 1995-12-31T00:00:00Z 2012-12-21T05:00:00Z The Watershed model is an application of HSPF (Hydrologic Simulation Program - Fortran ) run on a unix workstation. The model divides the 64,000 square mile Chesapeake Bay drainage basin into 87 model ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CSIRO_albatross_nutrient Albatross Bay Nutrient Data 1992 141.5,-13.0,142.0,-12.5 1992-01-01T00:00:00Z 1993-12-31T00:00:00Z 2012-12-12T05:00:00Z One year of sampling was undertaken in 1992 at four sites in Albatross Bay, Gulf of Carpentaria, measuring nitrate and nitrite, phosphate and silicate levels in the water column. This ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]wa_de_spasm South Puget Sound Model Nutrient Study -125.15,45.15,-116.53,49.39 1998-01-01T00:00:00Z T00:00:00Z 2012-12-12T05:00:00Z Ecology's Southwest Regional Office (SWRO) is concerned about nonpoint and point source nutrient loading to the southern portion of Puget Sound (located south of The Narrows ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]AAS_3127 Proteorhodopsins in Southern Ocean Bacteria 60.0,-67.0,160.0,-54.0 2009-09-30T00:00:00Z 2012-03-31T00:00:00Z 2012-11-05T05:00:00Z Metadata record for data from AAS Project 3127 See the link below for public details on this project. Bacteria in marine environments have been found to be able to partially support growth by using ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0020 Coordinated Eastern Arctic Experiment (CEAREX) Data -30.0,60.0,30.0,90.0 1988-03-01T00:00:00Z 1989-05-31T00:00:00Z 2012-10-18T04:00:00Z CEAREX was a multi-platform field program conducted in the Norwegian Seas and Greenland north to Svalbard from September 1988 through May 1989. Canada, Denmark, France, Norway and the United States ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_2256_Iron Subantarctic zone oceanography - SAZ Project 1997-1998 - Iron Related Data 141.5,-55.0,141.5,-42.0 1997-09-01T00:00:00Z 1998-03-31T00:00:00Z 2012-10-18T04:00:00Z Oceanographic processes in the subantarctic region contribute crucially to the physical and biogeochemical aspects of the global climate system. To explore and quantify these contributions, the Antarctic ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CN_NADC_2009_2010_Prydz_Bay_Prydz_Bay_SensorName_911CTD Data of nutrients during CHINARE-26th from 2009 to 2010 70.47,-69.09,75.54,-62.0 2009-12-22T00:00:00Z 2010-02-25T00:00:00Z 2012-07-03T04:00:00Z The distribution and concentration of nutrients, including phosphate, nitrate, ammonium and silicate were investigated in the Prydz Bay East Antarctica during CHINARE-26. The results show that the ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_NPPDCSCB_2010 Nutrients and phytoplankton pigment distribution in the Chukchi sea and Canada Basin, 2010 168.93333,73.0,155.83836,78.0 2010-07-20T00:00:00Z 2010-08-10T00:00:00Z 2012-06-29T04:00:00Z In order to study the nutrients and phytoplankton pigment distribution in n the Chukchi and Canada Basin, samples were collected in 38 stations. Stations were chosen based on physio-chemical characteristics ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NOBM_daily_data NASA Ocean Biogeochemical Model Daily Data at GES DISC 2012-06-12T04:00:00Z NASA Ocean Biogeochemical Model -- Assimilated Monthly Data -The NASA Ocean Biogeochemical Model (NOBM) is a biogeochemical model of the global oceans. THE NOBM was developed by GMAO and is in the ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NOBM_monthly_data NASA Ocean Biogeochemical Model Monthly Data at GES DISC 2012-06-12T04:00:00Z NASA Ocean Biogeochemical Model -- Assimilated Monthly Data The NASA Ocean Biogeochemical Model (NOBM) is a biogeochemical model of the global oceans. THE NOBM was developed by GMAO and is in the ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]au0806_CASO_CTD Southern Ocean CTD data collected from the CASO cruise of the Aurora Australis, 2007-2008 139.0,-64.0,147.0,-42.0 2008-03-22T00:00:00Z 2008-04-17T00:00:00Z 2012-06-04T04:00:00Z Taken from the accompanying report: Oceanographic measurements were collected aboard the Aurora Australis on cruise au0806 (voyage 6 2007/2008, 22nd March 2008 to 17th April 2008). This cruise completed ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]au9601 Aurora Australis WOCE Southern Ocean oceanographic data, cruise au9601 139.0,-67.0,148.0,-43.0 1996-08-24T00:00:00Z 1996-09-21T00:00:00Z 2012-06-01T04:00:00Z Oceanographic measurements were conducted along WOCE Southern Ocean meridional section SR3 between Tasmania and Antarctica from August to September 1996. A total of 71 CTD vertical profile stations ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]SIPEX_IceSampling Ice Coring Survey For Main Biological Site, cruise 2007/08 V1 (SIPEX) 128.0,-64.23,128.0,-64.23128.1,-64.483,128.1,-64.483127.183,-64.383,127.183,-64.383125.667,-65.1,125.667,-65.1124.75,-65.5167,124.75,-65.5167122.583,-65.583,122.583,-65.583121.5,-65.567,121.5,-65.567118.867,-65.55,118.867,-65.55118.567,-65.35,118.567,-65.35119.13,-64.95,119.13,-64.95117.533,-65.017,117.533,-65.017116.967,-64.883,116.967,-64.883116.8167,-64.733,116.8167,-64.733116.8167,-64.3167,116.8167,-64.3167120.6167,-64.683,120.6167,-64.683 2007-09-11T00:00:00Z 2007-10-10T00:00:00Z 2012-04-25T04:00:00Z Ice samples were collected by means of ice coring with 9 and 13 cm diameter ice corers on a total of 15 stations in the 115-130 degrees E sector off East Antarctica in September and early October ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]JODC_SURFACEWATER_ANT Surface water sampling 22.0,-64.0,151.0,20.0 1966-01-01T00:00:00Z 2007-03-17T00:00:00Z 2012-04-16T04:00:00Z Surface water sampling are carried out 2 times a day with a bucket. Analysed items are pH, DO and Nutrients. http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]DAVIS_STP Environmental Impact Assessment of the Davis Sewage Outfall 77.85883,-68.65507,78.08167,-68.51921 2009-11-01T00:00:00Z 2010-03-31T00:00:00Z 2012-04-13T04:00:00Z Untreated, macerated wastewater effluent has been discharged to the sea at Davis Station since 2005, when the old wastewater treatment infrastructure was removed. This environmental assessment was ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]DAVIS_STP_Chemistry Chemistry data from the Environmental Impact Assessment of the Davis Sewage Outfall 77.85883,-68.65507,78.08167,-68.51921 2009-11-01T00:00:00Z 2010-03-31T00:00:00Z 2012-04-12T04:00:00Z Untreated, macerated wastewater effluent has been discharged to the sea at Davis Station since 2005, when the old wastewater treatment infrastructure was removed. This environmental assessment was ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1156_Phytoplankton Sub-Antarctic zone mooring study of interannual variability in particulate carbon export - Phytoplankton Data 142.0,-54.0,142.0,-47.0 1998-03-01T00:00:00Z 1998-03-31T00:00:00Z 2012-03-09T05:00:00Z Papers arising from phytoplankton experiments associated with the SAZ (Subantarctic Zone) project. This work was complete as part of ASAC (AAS) project 1156. Taken from the abstracts of the referenced ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_2256_Phosphate Subantarctic zone oceanography - SAZ Project 1997-1998 - Phosphate Modeling 141.5,-55.0,141.5,-42.0 1998-03-01T00:00:00Z 1998-03-31T00:00:00Z 2012-03-09T05:00:00Z Oceanographic processes in the subantarctic region contribute crucially to the physical and biogeochemical aspects of the global climate system. To explore and quantify these contributions, the Antarctic ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NOAA_NODC_WOD982 Online World Ocean Database 1998(v2) from NOAA National Oceanographic Data Center's Ocean Climate Laboratory -180.0,-90.0,180.0,90.0 2012-03-06T05:00:00Z The World Ocean Database features observed oceanographic profile data and interpolated standard depth level profile data. Measurements include historical in situ temperature, salinity, oxygen, phosphate, ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_3026 The role of iron as a micro-nutrient to the Antarctic sea-ice zone algal community 110.48,-66.32,127.95,-64.22 2007-09-11T00:00:00Z 2010-03-31T00:00:00Z 2012-02-29T05:00:00Z Metadata record for data from AAS (ASAC) project 3026. Public This project will assess the importance of the trace micro-nutrient element iron to Antarctic sea-ice algal communities during the International ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]BARENT_OCEAN_ATLAS Climatic Atlas of the Barents Sea 1998 -180.0,-80.0,180.0,90.0 1898-01-01T00:00:00Z 1993-12-31T00:00:00Z 2012-02-23T05:00:00Z The time and space distribution of 74,256 ocean stations (temperature, salinity, and oxygen) occupied in the Barents Sea during 1898-1993 is presented on this CD-ROM . These data are recorded in a ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]BATS_JGOFS_BOTTLEDATA Data from the JGOFS Bermuda Atlantic Time-Series Study (BATS), Including Hydrographic, CTD, Sediment Flux and Primary Productivity -65.0,31.0,-64.0,32.0 1988-10-01T00:00:00Z T00:00:00Z 2012-01-27T05:00:00Z The Bermuda Atlantic Time-series Study (BATS) is a 10 year project (1988-1998), with primary funding from NSF Ocean Chemistry and Ocean Biology. BATS is part of the Joint Global Ocean Flux Study ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_2256 Subantarctic zone oceanography - SAZ Project 1997-1998 140.0,-55.0,140.0,-40.0 1997-09-01T00:00:00Z 1998-03-31T00:00:00Z 2012-01-18T05:00:00Z Data were collected during the 1997-1998 austral summer on voyages by the Aurora Australis and Southern Surveyor. Taken from the abstract of the referenced paper: Oceanographic processes in the ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_2256_Ammonium Subantarctic zone oceanography - SAZ Project 1997-1998 - Ammonium Data 140.0,-55.0,140.0,-40.0 1997-09-01T00:00:00Z 1998-03-31T00:00:00Z 2012-01-18T05:00:00Z Data were collected during the 1997-1998 austral summer on voyages by the Aurora Australis and Southern Surveyor. Oceanographic processes in the subantarctic region contribute crucially to the physical ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_2256_Arsenic Subantarctic zone oceanography - SAZ Project 1997-1998 - Arsenic Data 141.5,-55.0,141.5,-42.0 1998-03-01T00:00:00Z 1998-03-31T00:00:00Z 2012-01-18T05:00:00Z Oceanographic processes in the subantarctic region contribute crucially to the physical and biogeochemical aspects of the global climate system. To explore and quantify these contributions, the Antarctic ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]au97_9801 Aurora Australis SAZ Southern Ocean oceanographic data, cruise au9701 141.0,-54.0,154.0,-42.0 1997-09-09T00:00:00Z 1997-09-22T00:00:00Z 2012-01-17T05:00:00Z Oceanographic measurements were conducted in the Subantarctic Zone south of Tasmania in September 1997. 5 sediment trap moorings were deployed, and a total of 10 CTD vertical profiles were taken. ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]au97_9806 Aurora Australis SAZ Southern Ocean oceanographic data, cruise au9706 141.0,-55.0,148.0,-41.0 1998-02-28T00:00:00Z 1998-03-01T00:00:00Z 2012-01-17T05:00:00Z Oceanographic measurements were conducted in the Subantarctic Zone south of Tasmania in March 1998. A total of 97 CTD vertical profiles were taken. Over 800 Niskin bottle water samples were collected ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_2348 Exopolysaccharides from Antarctic bacteria 70.0,-67.0,145.0,-60.0 2003-07-01T00:00:00Z 2004-06-30T00:00:00Z 2011-12-16T05:00:00Z Exopolysaccharide (EPS) is complex sugar made by many microbes in the Antarctic marine environment. This project seeks to understand the ecological role of microbial EPS in the Southern Ocean, where ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_2584 Biogeochemical modelling of the feedback between ocean biota and climate at polar latitudes -180.0,-70.0,180.0,-50.0-10.0,70.0,35.0,85.0 2004-10-01T00:00:00Z 2007-03-31T00:00:00Z 2011-11-29T05:00:00Z Metadata record for data from ASAC Project 2584 See the link below for public details on this project. The Southern Ocean plays a significant role in the biogeochemical cycling of sulphur due to ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_2784 Modelling investigations of the shoaling of iron-rich upper circumpolar deep water and its role in the regulation of primary production at 60-65S 60.0,-65.0,160.0,-60.0 2006-10-01T00:00:00Z 2009-03-31T00:00:00Z 2011-11-29T05:00:00Z Metadata record for data from ASAC Project 2784 See the link below for public details on this project. This project utilised an existing 55 year model reanalysis (SODA) - so no new models were developed. ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CNR_IMGA_HIST_OCEAN_ADRIATIC Historical Oceanographic Data of the Adriatic Sea (1911-present) 12.0,39.0,20.0,46.0 1911-01-01T00:00:00Z T00:00:00Z 2011-10-03T04:00:00Z Historical oceanographic profile data for the Adriatic Sea is available from IMGA, CNR (Institute for the Study of Geophysical and Environmental Methodologies, Italian National Research Council). ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]JAPAN_ANT_PHYTO Phytoplankton species in the Southern Ocean during JARE39 (1997/1998) 40.0,-70.0,150.0,-30.0 1997-12-03T00:00:00Z 2009-02-20T00:00:00Z 2011-09-30T04:00:00Z Species composition of phytoplankton in the Southern Ocean waters. http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]au9604 Aurora Australis Southern Ocean oceanographic data, cruise au9604 - BROKE 76.0,-69.0,151.0,-43.0 1996-01-05T00:00:00Z 1996-03-25T00:00:00Z 2011-04-14T04:00:00Z Oceanographic measurements were conducted along a series of meridional and zonal sections along the Antarctic continental shelf and slope region between 80 and 150 deg.E, from January to March 1996 ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]aad_ctd_database Database of CTD data collected in the Southern Ocean by the AAD, ACE CRC and part of the Southern Ocean Atlas data set. -180.0,-80.0,180.0,-15.05 1900-01-01T00:00:00Z 2003-03-09T00:00:00Z 2011-04-14T04:00:00Z Microsoft Access database containing a compilation of CTD data collected in the Southern Ocean from Australian Antarctic Division (AAD), Antarctic Climate and Ecosystems Co-operative Research Centre ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]BIOSOPE BIOSOPE: Biogeochemistry and Optics South Pacific Experiment -149.0,-36.0,72.0,8.0 2004-10-26T00:00:00Z 2004-12-11T00:00:00Z 2011-03-18T04:00:00Z Objectives: The objectives of the BIOSOPE (Biogeochemistry & Optics South Pacific Experiment) project was to study, during the austral summer, the biological, biogeochemical ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]LUCIFER Lunar cycles and Iron Fertilization (LUCIFER) 2009-01-01T00:00:00Z 2011-12-31T00:00:00Z 2011-03-18T04:00:00Z The project seeks to study the biogeochemical consequences of (1) the vertical mixing and the consequent planktonic bloom in the oceanic subtropical waters around the Canary Islands, (2) the influence ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]OMMIX OMMIX: Food-Web structure and carbon budget in a coastal area off Central Chile (36°S): Influence of mixotrophy and omnivory 2006-03-01T00:00:00Z 2009-03-31T00:00:00Z 2011-03-18T04:00:00Z Classical and microbial pathways remain as a useful dichotomy for distinguishing the several fates of primary production in aquatic ecosystems. In most of our idealized concepts of food-web, we tend ...