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Adriaanse, P. I.

Basic land surveying and irrigation : practicals / P. I. Adriaansen and S. A. M. T.Powel - Netherlands : STOAS, 1994. - 152 P. : ill. ; 30 cm. - Stoas activating knowledge .

Contents

Indoor Practicals
Dimension and area
Water discharge
Irrigation depth
Conversion of units
Linear interpolation
Calculation of slope, scale and area from maps
Drawing of cross section

Field practicals
Construction of a straight line
Measuring horizontal distance
The use of a pentagon prism

The water horse level
The water hose level:construction and use
Setting out contours lines using the water horse level
Setting out lines under a certain slope using the water horse level

The use of aline level
Setting up a dumpy level
Measuring differences in elevation with a dumpy level
Checking a dumpy level
Topographic site surveying

Soil conditions in relation to irrigation
Soil moisture determination
Determination of a bulky density

Irrigation
Irrigation of a farm plot
The use of portable checks
Evaluation of an irrigation

Routine maintenance of water canals
Maintenance of water causes and profile of water






ISBN: 9070857294

Subjects--Topical Terms:
surveying
Irrigation

Dewey Class. No.: 526.9 / ADR