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126 research data, page 1 of 13

Global Distribution of Root Profiles in Terrestrial Ecosystems

SCHENK, H.J.; JACKSON, R.B. (2003)
Publisher: ORNL Distributed Active Archive Center
Rooting depths were estimated from a global database of root profiles that was assembled from the primary literature to study relationships of abiotic and biotic factors associated with belowground vegetation structure. Variables used to characterize belowground vegetation structure include the depths above which 50% of all roots and 95% of all roots are located in the profile. For each root profile, information recorded includes latitude and longitude, elevation, soil texture, depth of org...

LBA-ECO LC-23 Characterization of Vegetation Fire Dynamics for Brazil: 2001-2003

SCHROEDER, W.; MORISETTE, J.T.; CSISZAR, I.A.; GIGLIO, L.; MORTON, D.C.; JUSTICE, C.O. (2007)
Publisher: ORNL Distributed Active Archive Center
Satellite fire detection was determined from two sensorsâ⠬â the Advanced Very High Resolution Radiometer (AVHRR) on NOAA-12 and the Moderate Resolution Imaging Spectroradiometer (MODIS) on both the Terra and Aqua platforms, for 2001- 2003 to characterize fire activity in Brazil, giving special emphasis to the Amazon region. Active fire data for AVHRR/NOAA-12 was produced using a fixed threshold fire detection technique based on the algorithm developed by the Centro de Previsao do Tempo e ...

Global 30-Year Mean Monthly Climatology, 1930-1960, V2.1 (Cramer and Leeman)

CRAMER, W.P.; LEEMANS, R. (1999)
Publisher: ORNL Distributed Active Archive Center
This database is a major update of the Leemans and Cramer database (Leemans and Cramer 1991). It currently contains monthly averages of mean temperature, temperature range, precipitation, rain days and sunshine hours for the terrestrial surface of the globe, gridded at 0.5 degree longitude/latitude resolution. It was generated from a large data base, using the partial thin-plate splining algorithm developed by Michael F. Hutchinson, Canberra (Hutchinson and Bischof 1983).

NPP Grassland: Towoomba, South Africa, 1949-1990, R1

SCHOLES, R.J. (1998)
Publisher: ORNL Distributed Active Archive Center
This data set provides seven data files in text format (.txt). The files provide biomass estimates, soil carbon (C), nitrogen (N), and phosphorus (P) measurements made at an artificially-established grassland savanna study site in Towoomba, South Africa. The study site was part of a long-term experiment to test the effect of fertilizer application. Biomass data are available for the years 1950-1981 (data are not available for 1976 or 1977); soil C, N, and P data are available for the years 19...

Global Ocean Surface Water Partial Pressure of CO2 Database: Measurements Performed During 1957-2010 (Version 2010)

Environmental Sciences Division, Oak Ridge National Laboratory (2011)
Publisher: Carbon Dioxide Information Analysis Center (CDIAC)

Global Data Set of Derived Soil Properties, 0.5-Degree Grid (ISRIC-WISE)

BATJES, N.H. (2000)
Publisher: ORNL Distributed Active Archive Center
The World Inventory of Soil Emission Potentials (WISE) database currently contains data for over 4300 soil profiles collected mostly between 1950 and 1995. This database has been used to generate a series of uniform data sets of derived soil properties for each of the 106 soil units considered in the Soil Map of the World (FAO-UNESCO, 1974). These data sets were then linked to a 1/2 degree longitude by 1/2 degree latitude version of the edited and digital Soil Map of the World (FAO, 1995) to ...

SiB3 Modeled Global 1-degree Hourly Biosphere-Atmosphere Carbon Flux, 1998-2006

BAKER, I.T.; DENNING, A.S.; PRIHODKO, L.; SCHAEFER, K.; BERRY, J.A.; COLLATZ, G.J.; SUITS, N.S.; STOCKI, R.; PHILPOTT, A.; LEONARD, O. (2008)
Publisher: ORNL Distributed Active Archive Center
The Simple Biosphere Model, Version 3 (SiB3) was used to produce a global data set of hourly carbon fluxes between the atmosphere and the terrestrial biosphere for the years 1998-2006. This data set represents the global net ecosystem exchange (NEE) of carbon between the atmosphere and the terrestrial biosphere; specifically, the flux of CO2 between the planetary boundary layer (PBL) and the surface vegetation layer. Following atmospheric convention, flux is defined as positive into the atmos...

Daymet: Daily Surface Weather Data on a 1-km Grid for North America, Version 2

THORNTON, P.E.; THORNTON, M.M.; MAYER, B.W.; WILHELMI, N.; WEI, Y.; DEVARAKONDA, R.; COOK, R.B. (2014)
Publisher: ORNL Distributed Active Archive Center
This data set provides Daymet output data as mosaicked gridded estimates of daily weather parameters for North America, including continuous surfaces of day length, precipitation, shortwave radiation, snow water equivalent, maximum air temperature, minimum air temperature, and water vapor pressure. The Daymet data product was derived from selected meteorological station data by interpolation and extrapolation algorithms. The data product covers the period January 1, 1980 to December 31 of...

LBA-ECO CD-32 Flux Tower Network Data Compilation, Brazilian Amazon: 1999-2006

SALESKA, S.R.; DA ROCHA, H.R.; HUETE, A.R.; NOBRE, A.D.; ARTAXO, P.E.; SHIMABUKURO, Y.E. (2013)
Publisher: ORNL Distributed Active Archive Center
This data set is a compilation of carbon and energy eddy covariance flux, meteorology, radiation, canopy temperature, humidity, and CO2 profiles and soil moisture and temperature profile data that were collected at nine towers across the Brazilian Amazon. Independent investigators provided the data from a variety of flux tower projects over the period 1999 thru 2006. The data have been harmonized across projects, additional quality control checks were performed, and the data were aggregated t...

LBA-ECO LC-01 National, Provincial, and Park Boundaries, Ecuador

BILSBORROW, R.E.; WALSH, S.J.; FRIZZELLE, B.G. (2012)
Publisher: ORNL Distributed Active Archive Center
This data set contains the national and provincial boundaries of Ecuador as well as the boundaries of two national parks: the Cuyabeno Wildlife Reserve and the Yasuni National Park. There are four data files in ESRI ARCGIS Shapefile format within this data set. Each shape file has been compressed into a single compressed file (*.zip).