GB/T 6816-1986
Abolished
T/CHES 70-2022
Active
Group standards
T/CHES 70-2022 Guidance for determining ecological flow (water) of seasonal rivers in inland dry and semi-arid regions
T/CHES 70-2022 Guidance for determining ecological flow (water) of seasonal rivers in inland dry and semi-arid regions
Price:
$ 26.00
Basic Information
Standard Code:
T/CHES 70-2022
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nWatershed planning and river regulation projects
ICS Name:
\nWater quality
Publish Date:
2022-09-29
Implement Date:
2022-12-01
Pages:
20 pages
Scope
This document stipulates the procedures and technical requirements for determining the ecological flow (water volume) of seasonal rivers in inland arid and semi-arid regions.
This document is applicable to the determination and evaluation of ecological flow (water volume) of seasonal rivers in inland arid and semi-arid regions to meet the required standards.
Development Information
Referenced Standards
SL/T 712-2021 River and lake ecological environment water demand calculation specification
SL/T 712-2014 The standard for water demand calculation of river and lake ecological environments
SL/T 973
SL/T 800-2020 The technical guidelines for the protection and restoration of the ecological system of rivers and lakes
Related Standards
GB/T 6920-1986
Active
GB/T 6920-1986 Water quality—Determination of pH value—Glass electrode method
GB/T 7466-1987
Active
GB/T 7466-1987 Water quality—Determination of total chromium
GB/T 7467-1987
Active
GB/T 7467-1987 Water quality—Determination of chromium (Ⅵ)—1,5 Diphenylcarbohydrazide spectrophotometric method
GB/T 7468-1987
Abolished
GB/T 7468-1987 Water quality—Determination of total mercury—Cold atomic absorption spectropho to metry
GB/T 7469-1987
Active