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241 Titles Match Your Query
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51. Nitrogen Fixation in Seagrass Lagoons [USDA0549]
The data in "Nitrogen Fixation in Seagrass Lagoons" has the purpose of helping to better understand factors which exclude N-fixing cyanobacteria from the plankton of estuaries and coastal seas; helping ...


52. Northern Biosphere Observation and Modelling Experiment [CANEMRCCRSNBIOME]
The Northern Biosphere Observation and Modelling Experiment (NBIOME) is a scientific program designed to address key issues and uncertainties in the relationship between terrestrial ecosystems and ...


53. Oden Southern Ocean 2007 - hydrography and biogeochemistry [YagerOSO07]
Between November 30, 2007 and January 10, 2008, the Swedish Icebreaker Oden traveled between Punta Arenas, Chile and McMurdo Station, Antarctica. Along the way, primarily in the Amundsen and Ross ...


54. Partitioning of Carbon and Nitrogen in a Mixed-grass Prairie [USDA.ARS.CGPRS.CNmixedgrass]
(adapted from abstract presented at ARS Carbon Storage Workshop, Jan 1999, Baltimore MD) Problem: To further evaluate the effects of grazing on the C and N dynamics ofa rangeland ecosystem we needed ...


55. Pelagic Archaea in the changing coastal Arctic (PACCA) [Pelagic_Archaea_Coastal_Arctic_Herndl_IPY71_NL]
Samples were collected in the bay of Kongsfjorden (Svalbard) in August 2007 and June 2008. Up to 8 stations located along a transect from a glacier towards the open sea were sampled weekly to examine ...


56. Response of Crops to Free Air CO2 Enrichment (FACE) [USDA0532]
"Response of Crops to Free Air CO2 Enrichment (FACE)" is research that continues large cooperative experiments to determine the effects of CO2 supplied to the free air in an open agricultural field ...


57. Response of Temperate and Tropical N2-Fixing Trees to Global Environmental Change [USDA0584]
The purpose of this data is to determine the effect of increased carbon dioxide and associated climate change on temperate and tropical nitrogen-fixing trees and to determine the impact of environmental ...


58. Role of eukaryote pico- and nanoplankton in the biogeochemical processes of the deep sea. [Deep_Sea_Protists]
In this project we investigate the distribution and activity of the smallest eukaryotes of the deep sea in order to understand their ecology and contribution to biogeochemical processes. Using fluorescence ...


59. Samples collected for HPLC pigments, microscopy and flow cytometry for the SAZ-SENSE project [ASAC_2720_filtration]   PARENT METADATA
Metadata record for data from ASAC Project 2720 See the link below for public details on this project. The overall objective is to characterize Southern Ocean marine ecosystems, their influence on ...


60. Sea Ice Communities and Seasonal Processes, Nella Fjord, Antarctica [NELLAFJORD_BIO1]
For understanding the carbon flux and its variation in coastal sea ice, data on the microalgal community structure associated with sea ice and sea water environments was collected in Nella ...


61. Sea level rise scenarios from NASA SRTM datasets [SLRS_KCL]
This is an inundation analysis based on the CSI-corrected 90m SRTM V3 data available here coupled with the coastlines and water body dataset derived from the NASA SRTM Water Body dataset. The water ...


62. Shifts in Carbon Flux Between Plants and Soil Microorganisms [USDA0283]
The objective of this research is to quantify the flux of C and N in the plant-soil system, and to determine if increases in atmospheric CO2 alter the cycling of C and N within the soil. Forest tress ...


63. Soil Data for the Kola Peninsula, Russia [OMA_RUS_SOIL]
Plant-induced variability in soil nutritional status of forest?tundra ecotones in the Kola Peninsula, Russia Podzol and cambic podzol soils in the forest - tundra ecotone


64. Soil Formation and Carbon Accretion in Cradle-knoll Landscapes of Northern Wisconsin [USDA0421]
The purpose of the data in the "Soil Formation and Carbon Accretion in Cradle-knoll Landscapes of Northern Wisconsin" dataset is to estimate the amounts of carbon that are sequestered in the soils ...


65. Soil Formation and Landscape Relations [USDA0400]
The "Soil Formation and Landscape Relations" dataset contains soil mapping information for the purpose of assessing the effects of global change on carbon sequestration and acidification processes. ...


66. Soil Geomorphic Record of Climate Change and Quaternary Landscape Evolution in Southern New Mexico (Chihuahuan Desert) [USDA0403]
The "Soil Geomorphic Record of Climate Change and Quaternary Landscape Evolution in Southern New Mexico (Chihuahuan Desert)" database tracks natural cycles of climate change and quaternary landscape ...


67. Soil Organic Carbon in Pastures Seeded to Improved Grass Cultivars [USDA.ARS.NGPRL.CRPseeded]
(adapted from abstract presented at ARS Carbon Storage Workshop Baltimore, MD Jan. 1999) PROBLEM: Improved grass cultivars of various species are used extensively to reseed degraded grasslands ...


68. Terrascope : Datasets of LANDSAT MSS, TM and ETM+ ortho mosaics for the 1970s, circa 1990 and circa 2000. [TS_KCL]
Terrascope is a Google Earth implementation of the LANDSAT MSS, TM and ETM+ ortho mosaics for the 1970s, circa 1990 and circa 2000. It is designed to allow rapid comparison of LANDSAT imagery between ...


69. The Accumulation and Bioavailability of Soil Organic Carbon and Nitrogen Under Common Buffer Vegetation in Mid-Atlantic States. [usda.ars.PSWMRL.CommonBuffer]
(from USDA ARS Carbon Storage Planning Workshop Abstracts) Problem: There are large acerages of woods and cool-season grasses in the northeast today, and there may soon be substantial acreages of ...


70. The Biochemistry, Ecology and Organic Geochemistry of Phaeocystis pouchetii communities of Davis Base, Antarctica [ASAC_113]
This metadata record covers ASAC projects 113, 191 and 625. (ASAC_113, ASAC_191, ASAC_625). The total lipid, fatty acid, sterol and pigment composition of water column particulates collected near ...


71. The Biogeochemical Ocean Flux Study (Atlantic Ocean and Southern Ocean); data on CD-ROM published by the British Oceanographic Data Centre [BODC_BOFS_CDROM]
The British Oceanographic Data Centre publishes a CD-ROM of the Biogeochemical Ocean Flux Study, which contains data from the North Atlantic Ocean and the Southern Ocean. See Parameter Keywords and ...


72. The HERB Initiative : Ecohydrology and Regional Biodiversity. [HERB_KCL]
The HERB project in Colombia is a collaborative programme between the Department of Geography, Kings College London, UK, the Universidad del Cauca, the Instituto de Investigacion de Recursos Biologicos ...


73. The Iowa Management System Evaluation Area Database [USDA0104]
Water quality project - evaluation of current and emerging farming systems for their impact on ground and water quality. Contains water quality information but not of use to climatic model. Collection ...


74. The Sea as major source of ions to lichens in terrestrial ecosystems of Victoria Land [Ions_to_lichens_Victoria_Land]
Lichens and mosses constitute the bulk of plant biomass in terrestrial ecosystem of continental Antarctica. On the hypothesis that cryptogams can be used as an early warning system to detect the effects ...


75. The changes in the physical, chemical and biological processes in melt water ponds during the late season freeze processes into the polar winter at Bratina Island [K081_2007_2008_NZ_2]
How the onset of winter conditions affects the physical and chemical conditions within the melt water ponds on the McMurdo Ice Shelf (of which summer information is available) and how these changes ...


76. The development of anaerobic enrichment cultures and measurements of the rates of methanogenesis, the turnover of 14C acetate and the degradation of substrates from sediment samples from Bratina Island [K141_1992_1994_NZ_1]
Life in ponds and tidal lagoons of the McMurdo Ice Shelf is dominated by benthic cyanobacterial mats. Anaerobic conditions occur beneath these productive mats. A study was conducted to investigate ...


77. The ecology (tidal and weather records, distribution and abundance of microbes and quantification of nitrogen transformation) of an Antarctic tidal lagoon and mudflats at Bratina Island, McMurdo Ice Shelf [K081_1992_1993_NZ_2]
A tidal lagoon at Bratina Island experiences a daily inundation with tidal height varying. Low tide reveals a network of ponds, streams and tidal flats that appear to be highly productive with all ...


78. The effects of increased PAR and UV on the xanthophyl cycle of Antarctic ice algae [K068_2005_2006_NZ_1]
The xanthophyll cycle is a photo-protection mechanism in phytoplankton which protects the photosynthestic machinery from damage by high light intensities. Sea ice algae in Antarctica live on the ...


79. The effects of increased flow on the distribution of nutrient sources and sinks and the physical, chemical and biological components in the Onyx River ecosystem [K081_1993_1996_NZ_1]
The waters of Lake Vanda, Wright Valley have risen at a rate of 1m per year. The rise was largely attributed to increased flows in its only significant inflow, the Onyx River. The effects of this ...


80. The fate of primary production in Antarctic sea ice: the role of metazoan grazers. [ASAC_1328]
Crustaceans are an important component of the Antarctic marine ecosystem. Large numbers live in or close to the sea-ice cover, using it as a refuge from predation and a source of food. However, the ...


81. The legacy model vs the subsidy model to explain soil organic matter in the McMurdo Dry Valleys [K052_2004_2006_NZ_1]   CHILD METADATA
The Dry Valleys of Victoria Land, Antarctica, contain naturally simple ecosystems operating under extreme climatic conditions. Nutrients are limited and are thought to come from external sources from ...


82. The physical and geochemical parameters controlling algal production in Lake Vanda [K081_1980_1981_NZ_1]
The factors controlling algal production in Lake Vanda were investigated experimentally by nutrient bioassays and in situ radiotracer incubations. Photosynthetic profiles were measured through the ...


83. The response of deep-sea benthic communities (meio-and macrofaunal structure) to oxygen minimum layer in bathyal zone [GLOBEC_046_CHL_010]   PARENT METADATA
Title: The response of deep-sea benthic communities (meio-and macrofaunal structure) to the oxygen minimum layer in the bathyal zone off Concepcion and monitoring the effects of the the ENSO over ...


84. Trace Gas Dataset [USDA0105]
Contains CH4, N2O, CO2, soil atmosphere gas exchange as well as soil water, mineral N and temperature from CPER (Central Plains Experimental Range), Glacier Lakes Experimental Ecosystem (USFS), Sydney, ...


85. Trophic transfer efficiencies in zooplankton [GLOBEC_054_UK_004]   PARENT METADATA
This dataset describes the Trophic transfer efficiencies in zooplankton. Please see the Parent DIF GLOBEC_020_UK_002 for additional information.


86. Tropical Hydrology : climate and land use impacts from a cloud forest water balance model [THCLUI_KCL]
This database provides information and data from the Tropical Hydrology and Cloud Forests Project. A pan-tropical water balance model was developed and the implications of historic forest loss in ...


87. Tropical Montane Cloud Forest Database [TMCF_KCL]
This database provides information and data from the Tropical Hydrology and Cloud Forests Project. A pan-tropical model for cloud forest distribution and water balance model was developed and the ...


88. Upper Great Lakes Sediment Trap Data (1977-1993) [GLERL0004]
The main data are over 1000 sediment trap measurements of mass and chemical composition, predominantly in Lake Michigan, but with some coverage of Lakes Huron and Superior. Interpretative manuscripts ...


89. Use of Coupled Wetland-Agricultural Ecosystem for Water Quality Remediation [USDA0535]
"Use of Coupled Wetland-Agricultural Ecosystem for Water Quality Remediation" examines the water quality benefits that can be achieved in a coupled wetland-agriculture ecosystem ...


90. Vegetation/Ecosystem Modeling and Analysis Project (VEMAP) gridded annual and monthly biogeographic and biogeochemical time series data [EOSWEBSTER_VEMAP2_4]   PARENT METADATA
The EOS-WEBSTER VEMAP2 Data Collection contains several datasets which provide historical and future climate variables, and monthly and annual biogeochemical model outputs. ...


91. Vegetation/Ecosystem Modeling and Analysis Project (VEMAP) gridded monthly and annual time series data [EOSWEBSTER_VEMAP2]   CHILD METADATA
The EOS-WEBSTER VEMAP2 Data Collection contains several datasets which provide historical and future climate variables, and monthly and annual biogeochemical model outputs. ...


92. Vegetation/Ecosystem Modeling and Analysis Project Vegetation, Climate, Climate Scenarios, and Soils Database [VEMAP]
The Web site for VEMAP is: "http://www.cgd.ucar.edu/vemap/" The FTP site for VEMAP is: "ftp://ftp.ucar.edu/cgd/", directory "vemap/" The following was abstracted for a data availability ...


93. Volunteer Dissolved Oxygen Night Survey [gomc_292]
This volunteer team, later dubbed "The Insomniacs", was made up of boat groups from various organizations in the Rhode Island and Massachusetts area with an interest in water quality issues in Narragansett ...


94. AAV30708 Biogeochemistry - CO2 and Alkalinity bottle data collected on the CEAMARC Cruise of the Aurora Australis [CEAMARC_CASO_AAV30708_Biogeochemistry]
Total carbon dioxide and total alkalinity analysis of niskin bottle samples collected on CTD casts. All data have been stored in a single excel file. Measurements were made on the CEAMARC voyage ...


95. Addressing numerical challenges in introducing a reactive transport code into a land surface model: A biogeochemical modeling proof-of-concept with CLM-PFLOTRAN 1.0: Modeling Archive [CLM-PFLOTRAN_1.0]
This Modeling Archive is in support of an NGEE Arctic discussion paper under review and available at doi:10.5194/gmd-9-927-2016.


96. Algal composition, physico-chemical features, photosynthetic carbon metabolism, nitrogen cycling and the structure and metabolic properties of algal mats in lakes and streams of southern Victoria Land [K081_1983_1986_NZ_1]
A three year study of lakes and stream of southern Victoria Land was conducted from 1983-1986. In the first season, the algal composition and physico-chemical characteristics of South Victoria Land ...


97. AmeriFlux Gap-Filled Data from Selected Sites [NCAR_DS387.0]
AmeriFlux [http://ameriflux.lbl.gov/] is part of the larger network Fluxnet [http://daac.ornl.gov/FLUXNET/fluxnet.shtml] which endeavors to connect observations from regional ...


98. An Ecosystem Model of Carbon, Nitrogen and Water Balances in Forests [EOSWEBSTER_PnET_Ecosystem_Model]   CHILD METADATA
PnET (net photosynthesis / evapotranspiration) is a nested series of models of carbon (C), water and nitrogen dynamics in forest ecosystems. The models can be used to predict transient ...


99. An integrated approach to assess carbon dynamics in the Southern Ocean from the Belgian Antarctic Program [AMD_BE_CARBON_DYN]
This research attempts to determine the role - CO2 source or sink - of the Southern Ocean on a regional and seasonal scale by implementing an integrated multidisciplinary approach which combines in ...


100. Analysis: low oxygen concentrations and biogenic elements associated with Equatorial Subsurface water, and variability in Humboldt Current System off Chile [GLOBEC_039_CHL_003]   PARENT METADATA
Analysis of the distribution of low oxygen concentrations and biogenic elements associated with the Equatorial Subsurface water and characterization of seasonal and inter-annual variability in the ...


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