3.4.2 . Multi-beam sonar systems and complexes |
313 |
|
3.4.3 . Accuracy of hydrographic measurements
3.4.4 . Development of a numerical model of bottom relief
|
321
324
|
3.4.5 . Application of multi-beam sonar systems |
325 |
3.4.5.1 . General data |
325 |
3.4.5.2 . Development of a numerical model of the bottom |
325 |
3.4.5.3 . Sonar mosaic of the bottom |
326 |
3.4.5.4 . Results and interpretation |
327 |
3.5 . Unmanned aerial photogrammetric and laser survey combined with single-beam | |
and multi-beam echo sounder |
329 |
3.6 . Using GNSS to precisely determine the location of points in the survey of | |
underwater relief |
329 |
3.7 . Application of satellite radar interferometry in surveying and imaging | |
underwater relief |
329 |
3.8 . Summary of the port survey problem |
331 |
3.8.4 . GEODETIC AND HYDROGRAPHIC MEASUREMENTS TO ENSURE | |
RIVER TRANSPORT |
332 |
3.8.4.1 . General statements |
332 |
3.8.4.2 . GNSS reference geodetic network of the Bulgarian bank of the Danube River |
333 |
3.8.4.3 . Project for complex measurements and investigations of the Danube River |
334 |
1 . General data about the project |
334 |
2 . LiDAR survey of the river |
336 |
3.8.4.4 . Catamaran and hydrographic studies of the Danube River |
339 |
3.8.5 . Modern methods of tracing and control in port and related riparian | |
Construction |
341 |
3.8.6 . Permissible differences in the control and acceptance of port facilities |
346 |
3.8.7 . Geodetic works in the operation of ports and the studies of their deformations 347 | |
3.8.8 . REFERENCES to 3.8 |
349 |
3.9 . GEODETIC WORKS RELATED TO HYDROMELIORATION | |
OBJECTS , FLOODS , DROUGHTS AND RIVER CORRECTIONS |
354 |
3.9.1 . Principle statements |
354 |
3.9.2 . HYDROMELIORATION OBJECTS |
354 |
3.9.2.1 . Type and characteristics of the objects |
354 |
1 . General data |
354 |
2 . Irrigation |
355 |
2.1 . Ways of irrigation |
355 |
2.2 . Irrigation systems |
355 |
2.2.1 . Surface irrigation systems |
357 |
2.2.2 . Irrigation by inundation ( flooding ) |
357 |
2.2.3 . Boundary irrigation |
357 |
2.2.4 . Irrigation by furrows |
357 |
2.2.5 . Basin irrigation |
358 |
2.3 . Sprinkler systems |
358 |
2.4 . Drip irrigation | |
2.5 . Micro-irrigation systems | |
3 . Drainage |
360 |
3.1 . Essence |
360 |
3.2 . Drainage systems |
361 |
3.2.1 . Protection of the areas from surface water . Slope canŠ°ls |
361 |