HAPEX SAHEL Information System
A joint project between CESBIO, ORSTOM and CNES

PIEZOMETRIC_SUM

Comment:

This Table contains the summary of piezometric_dat table.

Principal investigator:

Christian LEDUC

The fields of the table are:

1. GRID_ID : This column contains the name of the grid where the data was taken.
2. GRID_ORDER : This column contains the number of the station in the grid cell.
3. NIVEL : This column contains the LEVEL of the construction as given by theInstitut Geographique du Niger.
4. ALTITUDE : This column contains the altitude as derived from the topographic map (1/2000000).
5. SUBMERSIBILITY : This column contains a logical flag of the well submersibility during flood events.
6. NSMIN : This column contains the smallest measured depth of the table.
7. NSMINCORR : This column contains the same that NSMIN expect for values influenced by an "overspill" of the hydrographic in the well .
8. NSMAX : This column contains the highest measured depth of the water table during the measurements.
9. CERT_LEVEL : This column contains the certification level for the data : T)est, C)hecked by PI, U)nchecked by PI.
10. REV_DATE : This column contains the revision date for the data in the format DD-MMM-YY.

Associated keywords

• Groundwater Chemistry
• Groundwater Level
• Piezometric Measurement

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