Northern Hemisphere Biome- and Process-Specific Changes in Forest Area and Gross Merchantable Volume: 1890-1990, CDIAC/DB1017Entry ID: CDIAC_DB1017
Abstract: The database DB1017 consists of annual values (1890 through 1990) of
the areal extent (Ha) and gross merchantable (wood) volume (GMV in m3)
of depletion and accrual processes in Northern Hemisphere boreal and
temperate forests. The data files cover six geographic regions:
(4) Former Soviet Union,
(5) ... Non-Soviet Temperate Asia, and
(6) the contiguous United States (48 states).
Forest depletions (source terms for atmospheric CO2) are identified as
forest pests, forest diebacks, forest fires, forest harvests, and
land-use changes. Forest accruals (sink terms for atmospheric CO2)
are identified as forest fire exclusion, forest fire suppression, and
Both the areal extent (Ha) and GMV (m3) are listed as total area and
volume of the depletion or accrual processes, and are calculated
separately for each of the following biomes:
(a) forest tundra,
(b) boreal forest (boreal softwood),
(c) mixed wood (mixed hardwood),
(d) temperate softwoods, and
(e) temperate hardwoods.
The source terms for atmospheric CO2 due to land-use changes in
temperate woodland and shrubland are reported in separate files.
Percentages of lumber, pulp and fuelwood of GMV are provided for the
forest harvest files, and the land-use files. In addition, estimates
of accelerated tree growth rates are provided in separate files.
The database consists of 69 data files generated by Auclair, et al
under contract with the United States Environment Protection Agency
(EPA), Office of Environment Processes and Effect Research.The focus
of the Auclair et al. (1994a, b, c, d, e) effort was the calculation
of carbon fluxes within the temperate and boreal forests by using the
data files as input to a Carbon Flux model (Van Akkeren, 1994, Van
Akkeren and Bedford, 1994). The EPA Carbon Flux bookkeeping model,
converts area and volume estimates from the various forest processes
in the Northern Hemisphere to carbon equivalents.
The purpose of this database is to make the information used in the
EPA Carbon Flux model available without charge. In addition, the
Carbon Dioxide Information Analysis Center (CDIAC) is providing this
documentation. The data are accessible through the Internet and a
variety of media (e.g., floppy diskettes, 8-mm tape). The database
consists of 69 data files, 9 graphics image format (gif) files, and
this db1017.doc file, and requires around 1.3 megabytes of disk
CDIAC has provided an anonymous FTP area to all data files, retrieval
codes, and descriptive files for the databases that are presently
available. The FTP address for the db1017 database is:
Data Set Citation
Dataset Originator/Creator: Auclair, Bedford, Revenga, and Brenkert
Dataset Title: N.H. Biome and Process Specific Changes in Forest Area
Dataset Series Name: CDIAC/DB1017
Dataset Release Date: 1997
Dataset Release Place: Oak Ridge, TN
Dataset Publisher: Carbon Dioxide Information Analysis Center (CDIAC)Online Resource: http://cdiac.ESD.ORNL.GOV/ftp/db1017/db1017.doc
Start Date: 1890-01-01Stop Date: 1990-12-31
Latitude Resolution: 1'
Longitude Resolution: 1'
Temporal Resolution: 6 hr.
ATMOSPHERE > ATMOSPHERIC PRESSURE > PRESSURE TENDENCY
ATMOSPHERE > ATMOSPHERIC TEMPERATURE > AIR TEMPERATURE
ATMOSPHERE > ATMOSPHERIC TEMPERATURE > TEMPERATURE TENDENCY
ATMOSPHERE > ATMOSPHERIC TEMPERATURE
ATMOSPHERE > ATMOSPHERIC WATER VAPOR > DEW POINT TEMPERATURE
ATMOSPHERE > ATMOSPHERIC WATER VAPOR > HUMIDITY
ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR
ATMOSPHERE > ATMOSPHERIC WINDS
ATMOSPHERE > CLOUDS
ISO Topic Category
Quality QC on general extremes and relations between any parameters.
Access Constraints For proccessing in RIHMI-WDC
Use Constraints Only open regions of World Ocean
Data Set Progress
Distribution Media: CD-Rom
Distribution Size: 100
Distribution Format: national
Email: statanal at hydromet.ru
Postal Code: 123242
Role: DIF AUTHOR
Email: vjaz at meteo.ru
6, Koroleva, Obninsk, Kaluga Reg.
Postal Code: 249035
Creation and Review Dates
DIF Creation Date: 2001-03-11
Last DIF Revision Date: 2006-10-24
Future DIF Review Date: 2003-01-30