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Global Soils Data Increased

The ORNL DAAC expanded its global data holdings to include the three additional data sets related to soil characteristics.

Dunne Soil Data Set

The ORNL DAAC now offers a data set entitled "Global Distribution of Plant-Extractable Water Capacity of Soil (Dunne)." The data set was added to the holdings in the Soil Collections on August 18, 2000.

New Canopy Chemistry Data

The ORNL DAAC has added a data set to its holdings from the Accelerated Canopy Chemistry Program (ACCP). The new data set is entitled "Site AVIRIS Images, 1992 (ACCP)."

ACCP was an investigation to determine the theoretical and empirical basis for remote sensing of nitrogen and lignin concentrations in vegetation canopies of various ecosystems in the United States.

BOREAS CD-ROMs and CASI Data

The ORNL DAAC now offers a 12-volume CD-ROM set of compiled measurement data and selected image data from the Boreal Ecosystem-Atmosphere Study (BOREAS), conducted from 1993 to 1996.

In addition, Compact Airborne Spectrographic Imager (CASI) data for BOREAS are available on-line. During selected periods in 1994 and 1996, CASI was used for observing seasonal changes in the radiometric reflectance properties of the boreal forest landscape. The CASI images are in the Remote Sensing Science holdings within BOREAS.

Flux and Meteorological Data

The ORNL DAAC announces the first release of data from the FLUXNET project. Flux and meteorology data are available for 11 research sites in Europe and the United States, with an average of two years of data per site.

The data have been quality assured, documented, and integrated into uniform data sets. Measurements were recorded usually on a half-hour basis. Missing values were obtained by means of common algorithms. The half-hourly values were then aggregated to produce daily, weekly, monthly, and annual sums.

Alternative URLs for ORNL DAAC


To help people more easily find the ORNL DAAC, we've created alternative URLs that are more intuitive.

Our Web pages now sport http://www.daac.ornl.gov as our main Internet address. People can also reach us through a simplified version: http://daac.ornl.gov.

BOREAS Mar 24 Release

The ORNL DAAC released 11 additional data sets from the Boreal Ecosystem-Atmosphere Study (BOREAS) on March 24.

The newest data sets include meteorological data as well as terrestrial ecology data related to forest cover and soil characteristics.

BOREAS was an intensive remote-sensing and field study of a Canadian boreal forest. Investigators measured exchanges of energy, water, heat, carbon dioxide, and trace gases between the forest and the atmosphere from 1993 to 1996.

BOREAS Feb 21 Release

Another 14 data sets from the Boreal Ecosystem-Atmosphere Study (BOREAS) were added to the ORNL DAAC's offerings as of February 21.

The newest data sets contain tower flux and meteorological data, remote-sensing images, data and geographic information system (GIS) coverages related to forest cover, and measurements of soil characteristics.

BOREAS was an intensive remote-sensing and field study of a Canadian boreal forest. Investigators measured exchanges of energy, water, heat, carbon dioxide, and trace gases between the forest and the atmosphere from 1993 to 1996.

Global River Discharge Database (RivDIS)

Using the Global River Discharge (RivDIS) Database has become a whole lot easier. The ORNL DAAC has divided RivDIS, Version 1.1, into separate station files so that users can readily find information by country, river, and station. We have also generated a set of useful plots and tables for each station.

RivDIS contains monthly discharge measurements from 1018 stations around the world. The period of record ranges from 1807 to 1991.

BOREAS Jan 27 Release

The ORNL DAAC released 12 new data sets from the Boreal Ecosystem/Atmosphere Study (BOREAS) on January 27. This release brings the total number of published BOREAS data sets to 247.

The newest data are related to upper air fluxes and meteorology, remote sensing images, aircraft flight information, and tower flux data.

BOREAS was an intensive remote-sensing and field study of a Canadian boreal forest. Investigators measured exchanges of energy, water, heat, carbon dioxide, and trace gases between the forest and the atmosphere from 1993 to 1996.

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