GB/T 1920-1980
Abolished
GB/T 44878-2024
Active
National standards
GB/T 44878-2024 Frozen soil observation—Frequency domain reflection method
GB/T 44878-2024 Frozen soil observation—Frequency domain reflection method
Price:
$ 50
Basic Information
Standard Code:
GB/T 44878-2024
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Meteorology
ICS Name:
Geology, meteorology, and hydrology
Publish Date:
2024-11-28
Implement Date:
2025-03-01
Pages:
12 pages
Scope
This document describes the principles of using the frequency domain reflection method to observe permafrost, the observation conditions, observation instruments, observation steps, quality control, and observation reports.
This document is applicable to the observation of permafrost using the frequency domain reflection method.
Development Information
Referenced Standards
Related Standards
GB/T 958-1989
Replaced
GB/T 958-1989 Geological symbols used for regional geological maps (1:50000)
GB/T 11615-1989
Replaced
GB/T 11615-1989 Geologic exploration standard of geothermal resources
GB/T 12329-1990
Active
GB/T 12329-1990 Karst geology terminology
GB/T 12745-1991
Replaced
GB/T 12745-1991 Static penetrometer
GB/T 12746-1991
Replaced