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Summary

The Geography and Population dataset contains three variables which
describe county level demographics and geographic references. These
variables include: 1) County area (hectares), 2) Lat. and Long. of
county centroid, and 3) County population.

See the references for the sources of these data.

China County Data collection contains seven ... datasets which were
compiled in the early 1990s for use as inputs to the DNDC
(Denitrification-Decomposition) model at UNH. DNDC is a computer
simulation model for predicting carbon (C) and nitrogen (N)
biogeochemistry in agricultural ecosystems. The datasets were compiled
from multiple Chinese sources and all are at the county scale for
1990. The datasets which comprise this collection are listed below.

1) Agricultural Management
2) Crops
3) N-Deposition
4) Geography and Population
5) Land Use
6) Livestock
7) Soil Properties

Related URL

Link: VIEW PROJECT HOME PAGE Description: EOS-WEBSTER Earth Science Information Partner (ESIP) provides terrestrial ecosystem research data via a web-based search, subset and order system.

Geographic Coverage Spatial coordinates   

N: 56.58

S: 15.06

E: 137.97

W: 70.83

Temporal Coverage

Start Date: 1990-01-01 Stop Date: 1990-12-31

Location Keywords

CONTINENT > ASIA > EASTERN ASIA > CHINA

Science Keywords

HUMAN DIMENSIONS > BOUNDARIES > ADMINISTRATIVE DIVISIONS > COUNTY AREA (HECTARES) HUMAN DIMENSIONS > BOUNDARIES > BOUNDARY SURVEYS > COUNTY CENTROID LAT./LONG. (DD) HUMAN DIMENSIONS > POPULATION > COUNTY POPULATION

ISO Topic Category

BOUNDARIES SOCIETY

Platform

MODELS

Project

ESIP > Earth Science Information Partners Program

Ancillary Keywords

CENTROID COUNTY AREA EOS-WEBSTER POPULATION

Data Center

EOS-WEBSTER, Complex Systems Research Center, Institute for the Study of Earth, Oceans, and Space, Univ. of New Hampshire Data Center URL: http://eos-webster.sr.unh.edu Data Center Personnel Name: DENISE BLAHA Phone: 1-603-862-3785 Fax: 603-862-0188 Email: support at cooa.sr.unh.edu Contact Address: Complex Systems Research Center Institute for the Study of Earth, Oceans, and Space Morse Hall University of New Hampshire City: Durham Province or State: New Hampshire Postal Code: 03824 Country: USA

Personnel

SHANNON SPENCER Role: DIF AUTHOR Phone: 603-862-1792 Fax: 603-862-0188 Email: shannon.spencer at unh.edu Contact Address: Complex Systems Research Center Institute for the Study of Earth, Oceans, and Space Morse Hall University of New Hampshire City: Durham Province or State: New Hampshire Postal Code: 03824 Country: USA

Publications/References

Center for International Earth Science Information Network (CIESIN) at
Columbia University.

Creation and Review Dates

DIF Creation Date: 2000-07-25 Last DIF Revision Date: 2007-02-15

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