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NPP 16

Another 13 study sites, plus three worldwide data sets, have been added to the global terrestrial Net Primary Production (NPP) reference database. The NPP database has been compiled by Dick Olson and Jonathan Scurlock under the auspices of the International Geosphere-Biosphere Programme, with funding from the Terrestrial Ecology Program of NASA's Office of Earth Science.

BOREAS Nov. 12 & 16 Release

The ORNL DAAC released 26 new data sets from the Boreal Ecosystem-Atmosphere Study (BOREAS) on November 12 and 16, 1999. These releases bring the total number of published BOREAS data sets to 212.

The newest data are related to airborne fluxes and meteorology, remote sensing, terrestrial ecology, and background measurements (called "staff science").

BOREAS Oct. 15 Release

Six new data sets from the Boreal Ecosystem-Atmosphere Study (BOREAS) were released by the ORNL DAAC on October 15, 1999. The release brings the total number to 186 data sets currently available.

The newest data are related to hydrology, remote sensing, and background measurements (called "staff science"):

Zobler Global Soil

The soil data at the ORNL DAAC are used primarily as site characteristics for terrestrial biogeochemistry models. The goal is to have data sets that contain the following variables:

East Anglia Precipitation

The ORNL DAAC has recently made additional climate data available. Please return to our main page and search under Data Available for the data of interest.

ACCP Data Available

ACCP - The Accelerated Canopy Chemistry Program (ACCP) was an investigation to determine the theoretical and empirical basis for remote sensing of nitrogen and lignin concentrations in vegetation canopies of different ecosystems. The ACCP dataset consists of AVIRIS images, laboratory chemical analysis of field samples, laboratory spectra and chemical analyses from several mini-canopy experiments, and canopy modeling data. The Oak Ridge DAAC is interested in adding additional canopy chemistry data from sites around the world as contributed by investigators.

Matthews Global Wetlands

The ORNL DAAC has recently made additional hydroclimatology data available. Please return to our main page and search under Data Available for the data of interest.

Matthews Global Vegetation

The ORNL DAAC has recently made the Matthews Global Vegetation Data available. The vegetation data at the ORNL DAAC are used primarily as driving variables in terrestrial biogeochemistry models.

Vegetation Home Page

Global Climate Data

The climate data at the ORNL DAAC are used primarily as driving variables in terrestrial biogeochemistry models. These models typically use data on temperature (min,max), precipitation, humidity (relative humidity, vapor pressure deficit, dew point), radiation (PFD in PAR, shortwave, direct/diffuse, and UV radiation, daylength), and wind velocity. Climate / meteorology data are required at hourly to monthly time scales, either point or gridded, at spatial scales ranging from regional to continental to global.

System Upgrade

UPGRADE - On Monday, March 8, 1999, the ORNL DAAC operational system will be unavailable because of a system upgrade. We expect to be operational again by late Monday afternoon. Please check this hotnews again for updates. If you need data before we are operational again, please call our User Services Office at 423-241-3952 or e-mail us at ornldaac@ornl.gov.

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