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241 Titles Match Your Query
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1. Application of Stable Isotope Techniques to Identifying Foodweb Structure, Contaminant Sources, and Biogeochemical Reactions in the Everglades [USGS_SOFIA_kendall_stable_isotopes]
This is the largest isotope foodweb study ever attempted in a marsh ecosystem, and combines detailed, long-term, trophic and biogeochemical studies at selected well-monitored USGS/SFWMD/FGFFC sites ...


2. Architectural and Physiological Limit on Carbon Balance in Plants [USDA0576]
The objective of "Architectural and Physiological Limit on Carbon Balance in Plants" is to investigate genetic differences in the architectural and physiological characteristics known to influence ...


3. Arctic Plant and Ecosystem Respiration [arctic_plant_and_ecosystem_respiration]
Measurements of leaf, wood, moss, lichen, root and whole ecosystem respiration made in tussock tundra near Imnavait Creek during the growing seasons of 2010, 2011 and 2012. Measurements were made ...


4. Assessment of the importance of biological nitrogen fixation in the terrestrial ecosytem: Nitrogen fixation rates of Nostoc cyanobacterial mats in the Garwood Valley and at Cape Royds [K053_1986_1987_NZ_1]
Microbes with the nitrogenase enzyme on mosses and soils, particularly the cyanobacteria Nostoc, were examined to investigate the extent and magnitude of the nitrogen fixation process. Sample cores ...


5. Availability of Organic Carbon for Denitrification of Nitrate in Subsoils and Groundwaters [USDA0511]
The purpose of "Availability of Organic Carbon for Denitrification of Nitrate in Subsoils and Groundwaters" is to determine the amounts of organic carbon and nitrate in subsoils and groundwaters from ...


6. BIOGEOCHEMICAL CYCLES [EIC13]
Results of continuous programme of monitoring of the cycling of nutrients in four upland catchments from 1982 onwards.


7. Baseline concentrations of elements in the Antarctic macrolichen Umbilicaria decussata [Antar_Macrolichen_Umbilicaria]
Total concentrations of major and trace elements were determined in samples of the epilithic lichen Umbilicaria decussata from 24 ice-free areas in coastal Victoria Land (Antarctica) during ...


8. Below Ground Responses to Global Environmental Change and the Biogeochemical Dynamics of Carbon [USDA0512]
The purpose of "Below Ground Responses to Global Environmental Change and the Biogeochemical Dynamics of Carbon" is to provide new insights into the effects of expected environmental change on ecological ...


9. Benthic mat biomass and productivity (photosynthesis and respiration) in Lake Vanda, Wright Valley and the role of invertebrates in carbon cycling in the lake [K081_1997_2000_NZ_1]
The importance of benthic microbial production in the lakes of the McMurdo Dry Valleys and how the benthic cyanobacterial mats are adapted to survive and grow in deep water (extreme low light but ...


10. Biogenic Emissions From the 1995 Southern Oxidants Study (SOS) Nashville/Middle Tennessee Ozone Study Data Base [SOS_E2]
E2 - Biogenic Emissions The Southern Oxidants Study (SOS) conducted a major field research campaign in Nashville/Middle Tennessee area in June and July 1994 and 1995. The goal of this study was ...


11. Biome-BGC: Modeling Carbon Dynamics in Ponderosa Pine Stands (Law et al. 2003) [model_biome_bgc_law_809_1]
This archived model product contains the directions, executables, and procedures for running Biome-BGC, Version 4.1.2, to recreate the results of the following article: Law, B. E., O. J. Sun, J. Campbell, ...


12. Biome-BGC: Modeling Effects of Disturbance and Climate (Thornton et al. 2002) [model_biome_manscrpt_806_1]
This archived model product contains the directions, executables, and procedures for running Biome-BGC, Version 4.1.1, to recreate the results of the following article: Thornton, P. E., B. E. Law, ...


13. Biome-BGC: Terrestrial Ecosystem Process Model, Version 4.1.1 [model_biome-bgc_805_1]
Biome-BGC is a computer program that estimates fluxes and storage of energy, water, carbon, and nitrogen for the vegetation and soil components of terrestrial ecosystems. The primary model purpose ...


14. Physical and biogeochemical dynamics of the subantarctic zone [ASAC_2720]   CHILD METADATA
This metadata record is a 'Parent' metadata record for ASAC project 2720. See the link for the related 'Child' metadata records. The overall objective is to characterise Southern Ocean marine ecosystems, ...


15. Physical, chemical and biological characteristics of soils from the upper Garwood Valley, Ross Sea Region, 2002-2006. [K052_2004_2005_NZ]   PARENT METADATA
These data consist of a number of subsets of soil samples gathered from the upper Garwood Valley in January 2002, January 2003, January 2005 and January 2006. Replicate randomly-located samples of ...


16. Physical, chemical and biological characteristics of soils from the western Wright Vanda (Lake Vanda district), Ross Sea Region, 2006 [K052_2005_2006_NZ]   PARENT METADATA
These data consist of a number of subsets of soil samples gathered from the Wright Valley in January 2006. Replicate randomly-located samples of surface soils to 10 cm depth have been gathered from ...


17. Plot level CO2 and CH4 Flux in Beringia 2005-2007 [Beringia]
This project developed and tested a methodology for the rapid assessment of the patterns of decadal time scale land cover change at multiple sites throughout the Beringia region and estimate the probable ...


18. PnET-BGC: Modeling Biogeochemical Processes in a Northern Hardwood Forest Ecosystem [model_archive_pnet_bgc_m1_818_1]
This archived model product contains the directions, executables, and procedures for running PnET-BGC to recreate the results of: Gbondo-Tugbawa, S.S., C.T. Driscoll , J.D. Aber and G.E. Likens. 2001. ...


19. Pressure effects On marine prokaryoTES (POTES) [POTES]
The ANR POTES program (Pressure effects On marine prokaryoTES) project concerns the role of marine micro-organisms in the mineralization of particulate (POM) and dissolved (DOM) organic matter and ...


20. Quantitative variations of phenolic compounds related to thallus age in Umbilicaria antarctica in Antarctica [110-88_02]
Densitometric analysis (HPTLC) was used to determine the concentrations of phenolic metabolites in thalli of different ages in Umbilicaria antarctica Frey et Lamb. Usnic acid and atranorin concentrations ...


21. CMS: Carbon Fluxes from Global Agricultural Production and Consumption, 2005-2011 [CMS_GLOBAL_CROPLAND_CARBON_1279_1]
This data set provides global estimates of carbon fluxes associate with annual crop net primary production (NPP) and harvested biomass, annual uptake and release by humans and livestock, and the total ...


22. FLUXNET Canada Research Network - Canadian Carbon Program Data Collection, 1993-2014 [FLUXNET_Canada_1335_1]
FLUXNET Canada is a FLUXNET research network comprised of the Fluxnet-Canada Research Network (FCRN) and the Canadian Carbon Program (CCP) operating from 1993 through 2014. It was a national research ...


23. ISLSCP II Carbon Dioxide Flux at Harvard Forest and Northern BOREAS Sites [FLUXNET_POINT_1029_1]
This International Satellite Land Surface Climatology Project (ISLSCP II) data set, ISLSCP II Carbon Dioxide Flux at Harvard Forest and Northern BOREAS Sites, contains gapp-filled flux and meterological ...


24. ISLSCP II GPPDI, Net Primary Productivity (NPP) Class B Point Data [GPPDI_NPP_POINT_1033_1]
The Global Primary Production Data Initiative (GPPDI) was set up as a Focus 1 activity of the IGBP Data and Information System, a coordinated international program to improve worldwide estimates of ...


25. ISLSCP II Global Gridded Soil Characteristics [ISLSCP_SOILS_1DEG_1004_1]
This data set provides gridded data for selected soil parameters derived from data and methods developed by the Global Soil Data Task, an international collaborative project with the objective of ...


26. ISLSCP II IGBP NPP Output from Terrestrial Biogeochemistry Models [ISLSCP_MODEL_NPP_1027_1]
This data set contains modeled annual net primary production (NPP) for the land biosphere from seventeen different global models. Annual NPP is defined as the net difference of annual carbon uptake ...


27. ISLSCP II Northern Hemisphere Monthly Snow Cover Extent [ISLSCP_SNOW_COVER_XDEG_982_1]
This ISLSCP data set is derived from the National Snow and Ice Data Center (NSIDC) Northern Hemisphere EASE-Grid Weekly Snow Cover and Sea Ice Extent product which combines snow cover and sea ice ...


28. ISLSCP II Sea Surface Temperature [ISLSCP_SEA_SURFACE_TEMP_980_1]
Sea surface temperature (SST) is an important indicator of the state of the earth climate system as well as a key variable in the coupling between the atmosphere and the ocean. Accurate knowledge ...


29. ISLSCP II UNH/GRDC Composite Monthly Runoff [ISLSCPII_COMP_RUNOFF_994_1]
The University of New Hampshire (UNH)/Global Runoff Data Centre (GRDC) composite runoff data combines simulated water balance model runoff estimates derived from climate forcing with monitored river ...


30. Nitrogen Deposition onto the United States and Western Europe [global_clim_nitrogen_730_1]
This data set contains data for wet and dry nitrogen-species deposition for the United States and Western Europe. Deposition data were acquired directly from monitoring programs in the United States ...


31. VEMAP 2: Annual Ecosystem Model Responses to U.S. Climate Change, 1994-2100 [vemap2-annual_rslts_766_1]
Phase 2 of the VEMAP Project developed historical (1895-1993) gridded data sets of climate (temperature, precipitation, solar radiation, humidity, and wind speed) and projected (1994-2100) gridded ...


32. AirMOSS: L4 Daily Modeled Net Ecosystem Exchange (NEE), AirMOSS sites, 2012-2014 [AirMOSS_L4_Daily_NEE_1422_1]
This data set provides Level 4 daily estimates of Net Ecosystem Exchange (NEE) of CO2 at a spatial resolution of 30 arc-seconds (~1 km) for seven of the sites covered by the Airborne Microwave Observatory ...


33. AirMOSS: L4 Modeled Net Ecosystem Exchange (NEE), Continental USA, 2012-2014 [AirMOSS_L4_Regional_NEE_1423_1]
This data set provides Level 4 estimates of Net Ecosystem Exchange (NEE) of CO2 across the conterminous USA at a spatial resolution of 50 km. Modeled estimates are provided at hourly and monthly temporal ...


34. CARVE Modeled Gross Ecosystem CO2 Exchange and Respiration, Alaska, 2012-2014 [Polar-VPRM_Alaskan-NEE_1314_1]
This data set provides 3-hourly estimates of gross ecosystem CO2 exchange (GEE) and respiration (autotrophic and heterotrophic) for the state of Alaska from 2012 to 2014. The data were generated using ...


35. CARVE: Alaskan Fire Emissions Database (AKFED), 2001-2013 [AKFED_V1_1282_1]
This data set provides estimates of annual carbon emissions (kg carbon per square meter) from boreal fires at 450-m resolution for the state of Alaska between 2001 and 2013. To produce these data, ...


36. Integrated Biosphere Simulator Model (IBIS), Version 2.5 [model_ibis_808_1]
The Integrated Biosphere Simulator (or IBIS) is designed to be a comprehensive model of the terrestrial biosphere. Tthe model represents a wide range of processes, including land surface physics, ...


37. LBA-ECO CD-02 Carbon and Oxygen Isotopes in Atmospheric CO2 in the Amazon: 1999-2004 [LBA_CDO2_ATMOSPHERE_ISOTOPES_1011_1]
This data set reports carbon and oxygen stable isotope ratios of atmospheric carbon dioxide (CO2) collected at several forest and pasture sites and in the free troposphere over Amazonia. There are ...


38. LBA-ECO CD-02 Oxygen Isotopes of Plant Tissue Water and Atmospheric Water Vapor [LBA_CDO2_O_H_ISOTOPES_1008_1]
This data set reports the oxygen isotope signatures of water extracted from plant tissue (xylem from the stems and leaf tissue) and of atmospheric water vapor from twelve different sites (including ...


39. LBA-ECO LC-04 IBIS Model Simulations for the Amazon and Tocantins Basins: 1921-1998 [LC04_IBIS_MODEL_1139_1]
The provided data were generated by the Integrated BIosphere Simulator (IBIS) terrestrial ecosystem model using data from the East Anglia Climate Research Unit climate record for the years 1921-1998. ...


40. LBA-ECO TG-07 Forest Soil P, C, and N Pools, km 83 Site, Tapajos National Forest [TG07_SOIL_NUTRIENTS_1085_1]
This data set reports phosphorus (P), carbon (C), and nitrogen (N) nutrient pool concentrations for forest soils and roots and P pool concentrations for forest floor litter, soil solutions, and microbial ...


41. Collaborative Research: Importance of heterotrophic and phototrophic N2 fixation in the McMurdo Dry Valleys on local, regional and landscape scales [Dry Valleys Mats Biogeochem USC Component]
During our two field seasons, we surveyed the Taylor Valley and parts of the Victoria Valley (year 1: 12 sites with transects wet to dry; 11 individual sites, 177 samples per parameter) and the Garwood ...


42. Thermosalinograph data collected on the CEAMARC Cruise of the Aurora Australis [CEAMARC_CASO_200708_V3_Thermosalinograph]
Thermosalinograph data - one text file per day has been collected. Data include date, time, temperature, conductivity, salinity, location. Measurements were made on the CEAMARC voyage of the Aurora ...


43. Free Air Carbon Dioxide (CO2) Enrichment (FACE) Program Data at Brookhaven National Laboratory (BNL/DOE) [FACE_BNL]
The Free Air CO2 Enrichment (FACE) program uses technologies capable of providing a means by which the environment around growing plants may be modified to realistically simulate future concentrations ...


44. Carbon and Nitrogen Balance of a Northern Mixed-grass Prairie as Influenced by Grazing [USDA.ARS.RRRU.MixedGrassCarbon]
(Adapted from Abstract presented at ARS Carbon Storage Workshop, Baltimore, MD, Jan 1999) Problem: Rangeland health and sustainable productivity of our rangelands are becoming a key issues in developing ...


45. Modeling Nitrogen Saturation from PnET model [EOSWEBSTER_PNET_Max_N_Cycle]   PARENT METADATA
A generalized, lumped-parameter model of carbon (C) ,water and nitrogen (N) in interactions in forest ecosystems (PnET-CN) is presented. The model operates in a monthly time step and at the stand-to-watershed ...


46. NASA/Ames Global Emissions Data Set (GLEMIS) [NASA_AMES_GLEMIS]
NASA-CASA data sets include global maps for predicted fluxes of soil nitrogen gases (N2O and NO), methane (CH4), and carbon monoxide (CO), plus predictions of net primary production (NPP) and carbon ...


47. NERC Biogeochemical Ocean Flux Study (BOFS) data in the Southern Ocean (1992) [BODC_BOFS_SouthernOcean]
The aim of the Sterna 92 project was to measure the magnitude and variability of carbon and nitrogen fluxes during early summer in the Southern Ocean, with particular emphasis on rates and processes ...


48. National Database Development for Nitrogen Management [USDA0377]
The "National Database Development for Nitrogen Management" is a national soil and climate database. Its purpose is to develop a national soil and climate database for NLEAP (Nitrate Leaching and ...


49. Natural spatial subsidies in continental Antarctic soil [K052_2001_2005_NZ_1]   CHILD METADATA
The soils of the McMurdo Dry Valleys are hypothesized to rely on external sources of nutrients (carbon, nitrogen, etc). The importance of these spatial subsidies on productivity and biological diversity ...


50. New record of moss and thermophilic bacteria species and physico-chemical properties of geothermal soils on the northwest slope of Mt. Melbourne (Antarctica) in 2002 [Thermophilic_bacteria_Melbourne]
Four samples of surface soils, one with shoots of an unidentified moss species, were collected from a geothermal site on the northwest slope of volcanic Mt. Melbourne (northwest Victoria Land, continental ...


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