2,246 Works

VEMAP 2: U.S. Annual Climate, 1895-1993

T.G.F. KITTEL, N.A. ROSENBLOOM, C. KAUFMAN, J.A. ROYLE, C. DALY, H.H. FISHER, W.P. GIBSON, S. AULENBACH, D.N. YATES, R. MCKEOWN, D.S. SCHIMEL &
The Vegetation/Ecosystem Modeling and Analysis Project (VEMAP) Phase 2 has developed a data set of ~100-year gridded annual, monthly, and daily time series of climate for the conterminous United States that includes realistic interannual variability. This data set has been used to compare time-dependent ecological responses of biogeochemical and coupled biogeochemical-biogeographical models to historical time series and projected scenarios of climate, atmospheric CO2, and N-deposition. Development of the data set is reported in Kittel et...

NPP Tropical Forest: Chamela, Mexico, 1982-1995, R1

M. MAASS & A. MARTINEZ-YRIZAR
This data set contains five data files (.txt format). Three data files provide net primary productivity (NPP) estimates for a tropical dry deciduous forest within the 3,300-ha Chamela Biological Station, Mexico. There is one file for each of the three permanent watershed plots located along an elevational gradient from 60 to 160-m above sea level. NPP was estimated from field measurements obtained during wet and dry seasons between 1982 and 1995. A fourth NPP data...

BOREAS Follow-On DSP-01 NBIOME Level-4 AVHRR Land Cover, Canada, Ver. 1.1, 1995

J. CIHLAR, J. BEAUBIEN & B. PARK
This land cover product was produced by NBIOME to generate an up-to-date, spatially and temporally consistent land cover map of the landmass of Canada for use by scientists and other users interested in environmental information at national and regional scales. The data were acquired by CCRS and were provided to BORIS for use. This data set is gridded and was produced from 10-day composite data of surface parameters. Temporally, the 10-day compositing periods begin 11-April-95...

BOREAS Follow-On HMet-01 Merged SSM/I and Rain Gauge Precipitation Data

E.A. SMITH, J. LAMM & J.J. GU
A gridded data set has been assembled over the BOREAS hydro-meteorological study region that combines a precipitation data set based on a rain gauge network with precipitation estimates based on SSM/I satellite images. The result is an hourly precipitation data set covering 122 consecutive days beginning on June 1, 1996.

BOREAS Follow-On HMet-02 Area and Regional Hourly Gridded Met. Data, 1994-1996

E.F. WOOD & V. PAUWELS
Phase II and III gridded data sets have been generated by an objective analysis scheme using all of the surface meteorological station data over BOREAS region for 1994-1996. Additionally, FSU GOES incoming solar radiation retrievals and BOREAS rain radar retrievals during portions of 1994 and 1996 were used when remote sensing products were available. Two Phase II, Northern Study Area (NSA) and Southern Study Area (SSA) grids, and one Phase III, Regional, gridded data sets...

SAFARI 2000 SeaWiFS Images for Core Study Sites, 2000-2001

G. FELDMAN
This data set contains Sea-viewing Wide Field-of-view Sensor (SeaWiFS) imagery for the eight core study sites of Mongu, Etosha, Kasangu, Skukuza, Mutoko, Mzola, Nampula, and Ndola. There are two main sets of local area coverage (LAC) data, Level-1 and Level-2 200-km x 200-km image subsets for seven of the sites and 400-km x 400-km image subsets for the Etosha site. The data files presented here were selected from a large collection of SeaWiFS images based...

SAFARI 2000 Land Cover from AVHRR, 1-Deg, 1987 (Defries and Townshend)

R.S. DEFRIES & J.R.G. TOWNSHEND
This data set consists of a southern African subset of the University of Maryland (UMD) 1-degree Global Land Cover product in ASCII GRID and binary image formats. The UMD 1-degree Global Land Cover product was produced by researchers at the Laboratory for Global Remote Sensing Studies (LGRSS) at UMD. The product is based on Advanced Very High Resolution Radiometer (AVHRR) maximum monthly composites for 1987 of Normalized Difference Vegetation Index (NDVI) values at approximately 8-km...

SAFARI 2000 Land Cover from AVHRR, 8-km, 1984 (DeFries et al.)

R.S. DEFRIES, M.C. HANSEN, J.R.G. TOWNSHEND & R.A. SOHLBERG
This data set consists of a southern African subset of the University of Maryland (UMD) 8-km Global Land Cover product in ASCII GRID and binary image files formats. Over the past several years, researchers have increasingly turned to remotely sensed data to improve the accuracy of data sets that describe the geographic distribution of land cover at regional and global scales. To develop improved methodologies for global land cover classifications as well as to provide...

SAFARI 2000 Carbon in Live Vegetation, 0.5-Deg (Olson)

J.S. OLSON, J.A. WATTS & L.J. ALLISON
This data set is a subset of Olson's Major World Ecosystem Complexes for southern Africa in ASCII GRID and binary image files formats. Olson's Major World Ecosystem Complexes Ranked by Carbon in Live Vegetation is a computerized database, used to generate a global vegetation map of 44 different land ecosystem complexes (mosaics of vegetation or landscapes) comprising seven broad groups. The map is derived from patterns of preagricultural vegetation, modern areal surveys, and intensive biomass...

SAFARI 2000 Freshwater Wetlands, 1-Deg (Stillwell-Soller et al.)

L.M. STILLWELL-SOLLER, L. KLINGER, D. POLLARD & S. THOMPSON
The data set consists of a southern Africa subset of the Global Distribution of Freshwater Wetlands database 1-degree data and are available in ASCII GRID and binary image files formats. The Global Distribution of Freshwater Wetlands database has been assembled from two data sets: Aselman and Crutzen's (AC) (1989) wetlands data set and Klinger's (pers. comm., 1995) Political Alaska data set. The aim is to provide an accurate, comprehensive and uniform set of files for...

SAFARI 2000 Tree Cover from AVHRR, 1-km, 1992-1993 (DeFries et al.)

R.S. DEFRIES, M.C. HANSEN, J.R.G. TOWNSHEND, A.C. JANETOS & T.R. LOVELAND
The data set consists of a southern Africa subset of the 1km Global Tree Cover Data Set developed at the Laboratory for Global Remote Sensing Studies (LGRSS) at the University of Maryland. Data are available in both ASCII GRID and binary image files formats. Characterization of terrestrial vegetation from the Advanced Very High Resolution Radiometer (AVHRR) on the global to regional scale has traditionally been accomplished using classification schemes with discrete numbers of vegetation classes....

SAFARI 2000 Vegetation and Soils, 1-Deg (Wilson and Henderson-Sellers)

M.F. WILSON & A. HENDERSON-SELLERS
This data set contains a subset for southern Africa of Wilson and Henderson-Sellers' Global Vegetation & Soils 1-degree data. The data are available in both ASCII GRID and binary image files formats. The Wilson, Henderson-Sellers' Global Vegetation and Soils data set is an archive of soil type and land cover data derived for use in general circulation models (GCMs). The data were collated from natural vegetation, forestry, agriculture, land use, and soil maps. The data...

Global Distribution of Root Nutrient Concentrations in Terrestrial Ecosystems

W.S. GORDON & R.B. JACKSON
Nutrient measurements for fine roots were compiled from 56 published studies providing information on 372 different combinations of species, root diameter, rooting depths, and soils at a variety of locations. The compilation was used to examine dynamics of 14 nutrients, including translocation properties of roots of varying size and status.Fine roots are an important source and sink for nutrients in terrestrial biogeochemistry. The data collected come from 56 published studies that give information on fine...

LBA Regional Tree Cover from AVHRR, 1-km, 1992-1993 (DeFries et al.)

R.S. DEFRIES, M.C. HANSEN, J.R.G. TOWNSHEND, A.C. JANETOS & T.R. LOVELAND
The data set consists of a subset for the study area of the Large Scale Biosphere-Atmosphere Experiment in Amazonia (LBA) in South America (i.e., longitude 85 deg to 30 deg W, latitude 25 deg S to 10 deg N) of the 1km Global Tree Cover Data Set developed at the Laboratory for Global Remote Sensing Studies (LGRSS) at the University of Maryland. Data are available in both ASCII GRID and binary image files formats.Characterization of...

RLC Forest Cover of the Former Soviet Union, 1973

T.A. STONE & P. SCHLESINGER

RLC Forest Stand Carbon Map of Russia

T.A. STONE, P. SCHLESINGER & V.A. ALEXEYEV

LBA Regional Global Historical Climatology Network, V. 1, 1832-1990

R.S. VOSE, R.L. SCHMOYER, P.M. STEURER, T.C. PETERSON, R. HEIM, T.R. KARL & J.K. EISCHEID
This data set consists of a subset of the Global Historical Climatology Network (GHCN) Version 1 database for the study area of the Large Scale Biosphere-Atmosphere Experiment in Amazonia (LBA) in South America (i.e., longitude 85 to 30 degrees W, latitude 25 degrees S to 10 degrees N). There are three files available, one each for precipitation, temperature, and pressure data. Within this subset the oldest data date from 1832 and the most recent from...

SAFARI 2000 ASTER and MODIS Fire Data Comparison, Dry Season 2001

J.T. MORISETTE, L. GIGLIO, I.A. CSISZAR & C.O. JUSTICE
These data relate to a paper (Morisette et al., 2005) that describes the use of high spatial resolution ASTER data to determine the accuracy of the moderate resolution MODIS active fire product. Our main objective was to develop a methodology to use ASTER data for quantitative evaluation of the MODIS active fire product and to apply it to fires in Southern Africa during the 2001 burning season. We utilize 18 ASTER scenes distributed throughout Southern...

SAFARI 2000 Cloud Absorption Radiometer BRDF, Dry Season 2000

M.D. KING, C. GATEBE & S.E. PLATNICK
This record links to the web page for the Cloud Absorption Radiometer (CAR) data for the SAFARI 2000 project. Twenty-one flights were undertaken over Southern Africa during the study. Flight track maps, browse images, and Convair CV-580 flight logs are available on this web site.The Cloud Absorption Radiometer (CAR) is an airborne multi-wavelength scanning radiometer that can perform several functions including: determining the single scattering albedo of clouds at selected wavelengths in the visible and...

SAFARI 2000 TOVS Surface and Atmospheric Parameters, 1-Deg, 1999-2001

J. SUSSKIND & L. IREDELL
NOAA's TIROS (Television Infrared Observation Satellite) Operational Vertical Sounder (TOVS) is a suite of three sensors: the Microwave Sounding Unit (MSU), the High resolution Infrared Radiation Sounder (HIRS), and the Stratospheric Sounding Unit (SSU) aboard the NOAA series of polar-orbiting operational meteorological satellites. TOVS-derived data provide a means to investigate long-term climate change and interannual variability and study local and periodic phenomena such as El Nino and stratospheric warmings. A set of the derived meteorological...

SAFARI 2000 Cloud Physics Lidar (CPL) Quicklook Images and Maps

M.J. MCGILL, D.L. HLAVKA & W.D. HART
The effect of clouds and aerosols on regional and global climate is of great importance. Two longstanding elements of the NASA climate and radiation science program are field studies incorporating airborne remote sensing and in-situ measurements of clouds and aerosols. These projects involve coordination of ground based and satellite measurements with the airborne observations. The goals of the experiments include testing satellite remote sensing retrievals, development of advanced remote sensing techniques and fundamental advances in...

SAFARI 2000 ER-2 Color-IR Aerial Photography, Dry Season 2000

J.S. MYERS
Aerial photography from the NASA ER-2 high altitude aircraft was collected to provide detailed and spatially extensive documentation over parts of the SAFARI study area. The ER-2 aerial photography consists of 3,046 color-infrared (IR) transparencies collected during the SAFARI 2000 Dry Season Aircraft Campaign in August and September of 2000. ORNL DAAC has archived scanned subsets of the ER-2 aerial photography.The original color-IR aerial photography the SAFARI 2000 Dry Season Aircraft Campaign is located at...

SAFARI 2000 Physical and Chemical Properties of Aerosols, Dry Season 2000

M. POSFAI, R. SIMONICS, J. LI, P.R. BUSECK & P.V. HOBBS
The Southern African Regional Science Initiative 2000 (SAFARI 2000) provided an opportunity to study aerosol particles produced by savanna burning. We used analytical transmission electron microscopy (TEM), including energy-dispersive X-ray spectrometry (EDS) and electron energy-loss spectroscopy (EELS), to study aerosol particles from several smoke and haze samples and from a set of cloud samples. These aerosol particle samples were collected using the University of Washington Convair CV-580 research aircraft (Posfai et al., 2003).Individual aerosol particles...

SAFARI 2000 Upper Air Meteorological Profiles, Skukuza, Dry Seasons 1999-2000

R.J. SWAP, S.J. PIKETH, K.E. ROSS, M. BARENBRUG & K.A. BILLMARK
Vaisala RS80 sondes were deployed from Skukuza Airport, South Africa, to collect atmospheric sounding profiles of temperature and moisture data from the surface to 30 km. These sonde launches were coordinated to augment the regional sounding network in the region during the SAFARI 2000 Dry Season Campaigns of 1999 and 2000. The radiosondes were launched from Skukuza Airport between August 14-September 3, 1999 and between August 24-September 23, 2000. The radiosonde instrument package RS80 measured...

Nitrogen Deposition onto the United States and Western Europe

E.A. HOLLAND, B.H. BRASWELL, J.M. SULZMAN & J.-F. LAMARQUE
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 and Europe covering time periods from 1978-1994 for wet deposition and from 1989-1994 for dry deposition and evaluated using similar quality assurance criteria to ensure comparability. A standard geostatistical method (kriging) was used to interpolate data onto a 0.5 x 0.5 degree resolution map for...

Registration Year

  • 2012
    2,246

Resource Types

  • Collection
    2,246