?????????? ????????? link between China's water quality assessment tables and quality accounts table

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??????????????????? link between China's water
quality assessment tables and quality accounts
table

• Chain Institute of Water Resources and Hydro
  Research
• duxia

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? ?

• ?????????????
• ??????????????
• ????????????????????

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• 1.1??????????
• ?????????????1956?,????????????????????,???????
  ???(hydrologic stations)??,???????(Aquaticbiology)
  ????(sediment)???(water quality)???( water
  quantity)?????

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??????????

• 1.1??????????
• ???????????????(????)???? ????????????????
  ,??251?????,2600??????

?? ??????(WEMC)
??? 1
?? 7 ??????? 16
? 31
?? 196
?? 251
5
???????????????
6
??????????????
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??????????

• 1.2???????
• 1????????????????????
• 2???????????(Water function zones )????????????
  

• ???????????
• ???????(????)
• ?????????
• ??????????????
• ???????????
• ??????????????????

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??????????

• 1.3?????????

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??????????

• 1.4???????
• ???????????????

???? ????
? ? ?????????
? ? ?????????
? ? ???????
? ? ??????
? ? ???????????
? ? ????????
? ? ????????
???? ???????
? ? ??????????
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??????????

• 1.4???????
• ????????????????

???? ???? ????
? ? ????????? GB3838-2002
???? ??????? GB/T14848-93
? ? ?????? GB3097-1997
? ? ???????? GB8978-1996
? ? ????????????? CJ/T3009-93
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• 1.4??????? ????GB3838-2002??

GB3838-2002????????????
quality classes status
? ????????????????
? ??????????????????????????????????????????????????
? ??????????????????????????????????????????????????
? ??????????????????????????
? ???????????????????
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1.4??????? ????GB3838-2002??

• I level mainly suitable for the source water,
  the country natural protection area
• II level mainly suitable for central living
  drinking surface water source area first level
  protection zones, rare and precious aquatic
  biological habitat, fishes and shrimps spawning
  grounds, young juvenile fish feeding ground and
  so on
• III level mainly suitable for central living
  drinking surface water source area secondary
  level protection zones, fishes and shrimps
  wintering and returning grounds, fishery waters
  and swimming area and so on
• IV level mainly suitable for common industral
  water districts and leisure water districts that
  contact human body non- directly
• V level mainly suitable for the agricultural
  water district, irrigations, and common
  landscapes and so on.

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• 1.5???????(Quality assessment parameter)

Temperature?pH
Organic and oxidizable matter DO, CODMn, CODCr, DBO5, NH3-N?phenol?
Nitrogen total N
Nitrates Nitrates ,NO3
Phosphorus total P
Phytoplankton chlorophyll a
Salinity Cl-, SO42- Fe, Mn
Micro organisms Total coliforms, faecal coliforms,
Mineral micro pollutants in water Arsenic, mercury, cadmium, lead, chromium, zinc, cyanide, copper, selenium,
Oil
synthetic detergents synthetic detergents
Pesticides and Organic pollutants in water 80 substances are concerned
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• 1.6?????assessment method
• ????????????,????????,????????
• ??????????????????,?????????????????????????,?
  ?????????????????????
• According to the waters functions, choosing
  corresponding quality target, the rule of single
  gene appraisal is applied.This method always
  choosing the lowest or most parameter value from
  a certain set. This rule can be applied at the
  quality classifications at a monitoring point.

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• 1.7?????assessment method
• ????????????????????,????????????
• ??????????????
• (1)
  (2)

?? Cn????i???????,mg/L M ?????????? Cm???
?i???????,mg/L I ??????? Ci
????i??????,mg/L?
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???????????

• 2.1?????assessment method
• ???????????????

???????? ??? ???? ???? ???? ????(????)???? ????(????)???? ????(????)???? ????(????)???? ????(????)???? ????(????)????
???????? ??? ???? ???? ??? ????(Km) ????(Km) ??? ????(Km2) ????(Km2) ???
???
???
???
?????
?????

???????? ???
???????? ???
???????? ???
???????? ?????
???????? ?????
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• 2.1?????assessment method
• ?????????????

??? ???? ???????????() ???????????() ???????????() ???????????() ???????????() ???????????()
??? (km) ?? ?? ?? ?? ?? ???
??
??
???
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• ????
• ????
• ????

Quality classes Quality classes Quality classes Quality classes Quality classes
Quality 1 Quality 2 Quality 3 Quality n Total
Opening stocks
Changes in stocks
Closing stocks
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Thank You!
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• Table 7.3 can be compiled for the following water
  resources lakes, rivers, reservoirs and
• groundwater. Two steps are generally used to
  compile water quality accounts
• Defining quality and quality classes (see
  section B),
• Defining units that enable the aggregation of
  water volumes sorted by quality classes.