infrastructural objects |
435 |
4.3.1.6 . Composing maps of the hazardous regions and maps of the areas at | |
flood risk |
436 |
4.3 . Geodetic activities | |
4.4 . Some geodetic technologies and activities in the East Aegean Basin | |
Directorate for water management |
436 |
4.4.1 . Activities |
436 |
4.4.2 . General outlook of the flood hazard maps for probability of 5 % and 1 % |
442 |
3.9.4 . DROUGHTS |
444 |
3.9.4.1 . General statements |
444 |
3.9.4.2 . Data about the Studena dam |
445 |
3.9.4.3 . Numerical model of the Studena dam lake |
446 |
1 . Unmanned aerial survey of the dry part of the dam |
446 |
2.1 . Preliminary planning of flights for aerial photogrammetric survey |
446 |
2.2 . Flight plan |
448 |
2.3 . Reference photogrammetric points |
449 |
1.4 . Aerial photogrammetric survey |
450 |
1.5 . Processing of aerial photographs |
451 |
1.6 . Control on result processing |
454 |
1.7 . Results |
455 |
1.8 . Additional processing for terrain and situation modelling |
458 |
2 . Unmanned survey of the underwater relief of the Studena dam |
458 |
2.1 . Data about the conditions |
458 |
2.2 . Hydrographic survey |
458 |
2.3 . Numerical model of underwater relief |
463 |
3 . Combining the results of surveying the dry and underwater part of the dam |
465 |
3.1 . Transformation of coordinates into a uniform system |
465 |
3.2 . Combined model of both types of survey |
466 |
3.9.4.4 . Determination of water volumes and flooded areas |
467 |
3.9.4.5 . Additional information about the object |
469 |
3.9.5 . RIVER CORRECTIONS |
470 |
3.9.5.1 . General statements |
470 |
1 . Essence |
470 |
2 . Definitions |
471 |
3.9.5.2 . Methods and technologies for implementing river corrections |
472 |
1 . Categories of corrections |
472 |
2 . Widening of riverbeds |
472 |
3 . Dragging and removal of deposits |
472 |
4 . Riverbed stabilization |
473 |
5 . Riverbed maintenance |
473 |
3.9.5.3 . Regulatory base |
474 |
3.9.5.4 . Design of correction |
475 |
1 . Initial data and materials , requirements and principles |
475 |
2 . Design of the alignment axis in situation plan |
476 |
3 . Longitudinal profile |
479 |
4 . Transverse profiles |
481 |
4.1 . Requirements and types of transverse profiles |
481 |
4.2 . Design of the transverse profile |
482 |
4.3 . Hydraulic dimensioning |
483 |