Circular 39/2013/TT-BTNMT: Classification of Hydrometeorological Documentation Products

Circular 39/2013/TT-BTNMT: Classification of hydrometeorological data products (Illustrative image)

To be specific, under the Regulations on economic-technical standards for hydrometeorological documentation issued with Circular 39/2013/TT-BTNMT, the types of hydrometeorological data products are as follows:

- Types of original books:- Water level measurement book (N-1) used for hydrological measurement in non-tide affected river areas;- Water level measurement book (T-1) used for hydrological measurement in tide-affected river areas;- Cross-section depth measurement book (Book h);- Water flow measurement book (N-4);- Detailed water flow measurement book;- Record book for measuring and processing suspended water samples (N-6);

- Types of water level diagrams (GTV);

- Types of adjustment and editing reports:- Water level editing report (CBH);- Water level and flow rate editing report (CBHQ);- Tidal volume calculation form (for hydrological data in tide-affected river areas);

Additionally, specific hydrological survey data products are classified as follows:

- Water level observation book - T1 (N-1);- Detailed drawing book (Book h);- Elevation network measurement book (water level measurement book) (N-4);- Coordinate network measurement book (N-6);- Low water season flow measurement book (N-4);- Speed measurement book;- Water level and temperature record book (N-1);- Edited low water season flow rate book (CBQ) (for hydrological measurement in non-tide affected river areas);- Edited book (CBHQ);- Tidal volume calculation form.

For further details, refer to Circular 39/2013/TT-BTNMT, effective from December 15, 2013.

Le Vy

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