The Database on theResearch of Global
Change of China inGEODATA.CN

Li Zehui You Songcai
IGSNRR,CAS

CONTENT
1. Background
2. Main data products
3. Work plan
4. Conclusion

1. BackgroundNo enough data to support the Research ofGlobal Change is important problem we face,especially in developing country like China.
Fortunately, in China, the government pays
more and more attention to this matter. A
large project called Scientific Data Sharing
Project was started in year 2003, which
funded by Ministry of Science andTechnology of China. 18 big sub-projects ofdata sharing have got support from it.

1. Background
Data developing and data sharing
obtained a big progress recent years.
The Earth System Scientific Data Sharing
Network (GEODATA.CN) is one of these
big sub -projects. It is also the only datasharing program that
integrates
scattered datasets which
be held by
scientific andresearch institutes,universities, and scientists. The goal ofGEODATA.CN is as follow.

1. Background To

integrate scattered scientific data
resources inChina,introduce
international data resources and produce
new datasets.
 To build an earth system data sharing
network which cross country, region anddivision.
 To provide data support for national key
research projects, social economic
development and the general public.

1. Background
GEODATA.CN is undertaking
by IGSNRR, CAS. Totally 40
organization have taking party
in the project. Prof. Sun Jiulin
is in charge of the project.

Mongolia Academy of Sciences

Institutes of Chinese Academyof Sciences(14)China Polar Research Center…
World Data centers(10)Universities(10)2. Main data products
GEODATA.CN has collected andintegrated 8 TB data. The data
covers the fields of 5 cycles ofearth system, but focus on land
surface resources. Based onthese data, a series of data
products were produced. Main
datasets are as follow.

2.1 Earth observation images
and standard production· NOAA/AVHNRR images· MODIS images and its standardproducts· Landsat MSS,TM,ETM images in China
region (70s,90s,2000s)· Aero spatial images cover Tibetan
plateau(70s)2.2 Thematic database ofCryosphere Glacier data：Basic geographic data in frost

region of China, frost catalogue data in China
and its adjacent regions, and survey data inglacier region.
 Snow data：Long sequence daily snow dataand general observation snow data in China.
 Frozen soil data：Basic geographic data infrozen soil region of China, Frozen soil
distribution map of China and its adjacentregions, and observation data of frozen soil
along the rail and road of Tibetan plateau.

2.3 Ecological environment
basic database 2.3.1 Resources and environment databasewith scale of 1:4million
The database includes boundary, traffic,
fundamental environment, natural resources
and natural disaster etc.
 2.3.2 Land use/cover database:
1:100,000,1:250,000, 1:1millon of the 80s,90s
and 2000 2.3.3 Digital Soil type map of China in
1:1millon scale2.3 Ecological environment
basic database 2.3.4 Swamp and wetland database of China

in 1:1millon scale 2.3.5 Lake type database of China in
1:1millon scale 2.3.6 Desert database of China in 1:1millon
scale (2000-2002)
 2.3.7 Geomorphological digital map in
1:1millon scale 2.3.8 Precipitation database of modern
China (1841-)

2.3 Ecological environment
basic database 2.3.9 1km *1KM Land use database ofChina, (1995 and 2000)
 2.3.10 Dataset of water resources of
1km of China (2000)
The dataset includes total water supply,
domestic water consumption, industrial
water consumption and ecological use ofwater etc.

2.3 Ecological environment
basic database
2.3.11 1km*1km Climate data of China
2.3.11.1 China air temperature data, foryear 1961 to 1998, yearly a. Data at year level b. Data at month level c. Data at ten days level d. Data at five days level2.3 Ecological environment
basic database 2.3.11.2 China precipitation data foreach month, from year 1961 to 2001,yearly 2.3.11.3 China Sunshine Duration data
for each month, from year 1961 to2001, yearly 2.3.11.4 China Relative Humidity data
for each month, from year 1961 to 2001,yearly2.3 Ecological environment
basic database
2.3.11.5 Other climate data, average value for manyyears
 Mean temperature, mean lowest temperature, andmean highest air temperature(1951-1980, 1961-1990,1971-2000)
 Precipitation (1961-1990, 1971-2000)
 Sunshine Duration (1961-1990, 1971-2000)
 Relative Humidity (1961-1990, 1971-2000)
 China wind power data (1951-2000)
 China total solar radiation data (1950-1980, average)
 Mean Cumulative Temperature data of China in ManyYears (from construction of stations to 1996)
 Humid Index data of China in Many Years (fromconstruction of stations to 1996)

2.4 Natural Resources andSocial economic database
2.4.1 Natural Resources database of China
 Water resources, land resources etc. at Nation,province and county level. Climate data for 740
stations over China and so on.
 2.4.2 Population database of China
 At province level: 1949-2005, yearly At county level: Census data (1953, 1964, 1982,1990, 2000, yearly). Statistic data (1986-2005, yearly) 2.4.3 Social economic Statistic data At province level: 1949-2005, yearly At county level: 1980-2005, yearly 2.4.5 1km *1km raster data GDP, population (1995, 2000, 2003, yearly) etc.

2.5 Survey and scientificresearch data of typical region
 2.5.1 Scientific expedition data inpolar region
 2.5.2 Scientific survey data in
Tibetan plateau
 2.5.3 Ancient environment andsoil erosion data in Loess plateau2.5 Survey and scientificresearch data of typical region
 2.5.4 Environment and disasterdata in the Mountain of South
west China
 2.5.5 Agriculture resources andecological environment data inNorth east China

3 Work plan
3.1 Continue data integrating and fusion of
global change and of global change and theRegional response research 3.1.1 Develop the method of data integrating
and data fusion of global change and theRegional response research.
 3.1.2 Construct the subject spatial databaseof global change and the Regional response
research3 Work plan
3.1.2.1 The subject spatial database of the impact of
global change on the main Chinese drainage basinswater resource and water security.
 1) The temporal and spatial dynamic change of theprecipitation of the main drainage basins in China.
 2) The temporal and spatial dynamic change of theevaporation and the transpiration of the main drainage
basins in China.
 3) The temporal and spatial dynamic change of theflood disaster of the main drainage basins in China.
 4) The temporal and spatial dynamic change of thedrought and the river drying of the main drainage
basins in China.

3 Work plan
3.1.2.2 The subject spatial database of the impact of global change on themain ecosystem range carbon balance in China.


1) The temporal and spatial dynamic change of the NPP of themain ecosystem range in China.
2) The temporal and spatial dynamic change of the soil respirationof the main ecosystem range in China.
3) The spatial pattern of the biomass of the main ecosystem rangein China.
4) The spatial pattern of the soil organic carbon of the mainecosystem range in China.
5) The spatial pattern of the litter of the main ecosystem range inChina.
6) The temporal and spatial pattern of the carbon flux of the main
ecosystem range in China
7) The temporal and spatial pattern of the carbon storage of themain ecosystem range in China

3 Work plan
3.1.2.3 The subject spatial database of thedynamic impact of global change on the main
ecosystem range vegetation in China.
 The spatial pattern of the vegetation of the main
ecosystem range in China
 2) The temporal and spatial dynamic pattern of
the afforestation and the reafforestation of themain ecosystem range in China.
 3) Climate change and the temporal and spatial
dynamic change of the vegetation of the mainecosystem range in China.
 4) Climate change and the temporal and spatial
dynamic change of the vegetation phonologicalperiod of the main ecosystem range in China.

3 Work plan
3.1.2.4 The subject spatial database of the impact of globalchange to the main ecosystem range atmosphericenvironment in China.
 1) The temporal and spatial dynamic change of theozone of the main ecosystem range atmosphere inChina.
 2)The temporal and spatial dynamic change of the NO2of the main ecosystem range atmosphere in China.
 3) The temporal and spatial dynamic change of the SO2of the main ecosystem range atmosphere in China.
 4) The temporal and spatial dynamic change of theaerosol of the main ecosystem range atmosphere inChina.
 5) The temporal and spatial dynamic change of theimpact of global change on the atmospheric environmentof the main ecosystem range in china

3. Work plan
3.1.3 Develop and consummate the processsimulation system of the land surface of theglobal change and the regional response.
 1) The IBIS land surface process integrated
simulation system 2) The INTEC forest ecosystem integrated
simulation system 3) The GORCAM carbon balance and carbon
trade simulation system 4) The TREPLEX ecosystem processsimulation system 5) The CENTURY bio-geo chemistry cycle
integrated simulation system 6) The SWAT distribution eco-hydrology
simulation system

3. Work plan
3.1.4 Research report
1) The impact of global change on the main drainage
basins water balance and water security
 2) The impact of global change on the carbon cycle andregional agriculture and forest production 3) The impact of global change on the atmospherepollution and the radiation and hot environmentevolvement and the regional ecosystem environment
security.
 4) The compound effect analysis of the human activity
and climate change on the regional ecosystem
environment security.
 5) The assistant decision report of the adaptation andresponse to global change and the regional response4. Conclusion
You are Welcome.to visit GEODATA.CN’s web
http://www.datar.cn/.to join the data sharing alliance.to use the data
Contact email :geodata@igsnrr.ac.cn
Or send me email: lizh@igsnrr.ac.cn