实物量供给使用表
中国资料情况
Data availability in China
On Physical supply and use tables
Gan Hong
China Institute of Water Resources and Hydropower Research
China Institute of Water Resources and Hydropower Research
Outline
General
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Supply Table
Use Table
Issues
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General
China Institute of Water Resources and Hydropower Research
Water statistics related with PSUT in China
Annual China Water Resource
Bulletins from 1997 to 2005
中
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Water statistics
from MWR
North China Water Resource Industrial water use statistics
Bulletins from 1994 to 1996 from bureaus of statistics
Typical
year
Integrated water
resources planning
Water resources
utilization
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China Institute of Water Resources and Hydropower Research
General
Statistics Process
Nation
中
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Provincial
Administrative
checkup
River
basins
Administrative
checkup
Profectures
Administrative
checkup
Counties
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General
China Institute of Water Resources and Hydropower Research
Statistics Process
Classification
Checkup
Supply
中
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Usage
Balancing
checkup
Consumption
Discharge
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General
China Institute of Water Resources and Hydropower Research
Statistics units
中
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Administrative
regions
Administrative
regions
Overlapped
areas
River basins
River
basins
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China Institute of Water Resources and Hydropower Research
10 hydrological regions
at 1st class
31 provinial regions
750 statistics units overlapping prefectures and
hydrological regions at 2rd class
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Supply table
China Institute of Water Resources and Hydropower Research
供给表
中
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• In china, there is no corresponding statistics for supply table
while discharges from each industrial sector and domestic
water uses can be regarded as the supply to environment in
SEEAW. It can occasionally be found that some sectors, say
ISIC 36, supplies to other sectors only at prefecture or lower
level. These can not meet the supply table in SEEAW.
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Supply table
中
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China Institute of Water Resources and Hydropower Research
• Water consumption in supply table is estimated
from typical investigation in China, is not
obtained from the difference between supply
and use tables
• Consumption means the evapo-traspiration,
soil absorbing, product taking-off, drinking etc.
during water transition and using which can
not return to any water body in nature.
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Use table
中
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China Institute of Water Resources and Hydropower Research
• Both sources-based water abstraction and
user-based water supply in Chinese statistics
can be located in use table of SEEAW and
only the total value without breakdown
values can be filled in.
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China Institute of Water Resources and Hydropower Research
Use table (sources-based)
Sources-based water use means the gross water including the losses
during its transportation supplied to users by various water sources
engineering.
Storing
diversion
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Surface water
lifting
transferring
Shallow
groundwater
confined
Light salty
Treated water
Other sources
Rainfall collection
Sea water
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China Institute of Water Resources and Hydropower Research
Use table (user-based)
User-based water use means the gross water including the losses
during its transportation distributed to each user. Therefore both
user-based and sources-based water are equal.
The users are quite different from ISIC.
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Four main categories for water users are:
- Agriculture
- Industry
- Living
- Ecology
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China Institute of Water Resources and Hydropower Research
Agricultural water use
Agriculture use
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Irrigation use
Forest, animal husbandary
and fishery
Orchard & forest
Paddy field
Irrigated field
Vegetables field
Grassland
Fruit
Artificial
Nersery
Feedingstuff
Fish pond
Eonomic forest
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China Institute of Water Resources and Hydropower Research
Industrial water use
It indicates the water used in manufacturing, processing, cooling, air
conditioning, decontaminating, washing etc. in producing of industrial and
mining enterprises. It is calculated only for fresh water abstraction and does not
include reused water in the industrial internals.
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Water uses for nationowned and scaleabove industries
Industrial
water use
Water uses for nationowned and scalebellow industries
Water use for thermal
(nuclear) power
generation
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China Institute of Water Resources and Hydropower Research
Domestic water uses
Service (3rd industry)
Public
Urban
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Construction
household
Dom
estic
household
Rural
livestock
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China Institute of Water Resources and Hydropower Research
Ecological water uses
lakes
Urban env.
virescence
cleaning
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ecology
Artificial water distribution
excluding precipitation and
runoff
suppleme
ntary
lakes
swamps
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China Institute of Water Resources and Hydropower Research
中
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available
Some from
WRM and NBS
respectively
available for users not ISIC sectores
Only total discharge from industrial and domestic
uses
available
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China Institute of Water Resources and Hydropower Research
Issues faced
Conflicts of classification with ISIC or more
combined classification not meets ISIC
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Lack of information from monitoring, metering
and investigation, of which some figures have to
be estimated
Hard jobs of coordination among various
agencies for various information related
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China Institute of Water Resources and Hydropower Research