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035 _a.b10032356
099 9 _aAIT Diss. no. CS-87-1
100 0 _aKanokporn Thinaphong
245 1 2 _aA hydro-cartographic information system approach to watershed response simulation using integrated spatio-temporal variabilities from Landsat and ancillary sources
260 _aBangkok :
_bAsian Institute of Technology,
_c1987
300 _a255 p.
490 1 _aDissertation ;
_vno. CS-87-1
502 _aThesis (Ph.D.) - Asian Institute of Technology
520 _aGeographic, hydrologic and cartographic information sys- tem, commonly termed GIS, and remote sensing technologies are com- bined into "an information system"; whose serendipitous meeting of the separate technologies is made to provide a realistic, dynamic information base and associated analysis techniques of integrated spatiotemporal data variability from Landsat and ancillary sources for practical, environmentally oriented watershed response study. Hydro-cartographic information systems approach is the name pro- posed for this fruitful integration, which organizes and overlays data planes from existing hydro-cartographic maps, analysis of re- mote sensing digital data into a single computer modeling framework registered over a common geographic area of the study in N.E. Thailand. This assemblage provides a multivariate, multi spatiotemporal operations over topographic and physiographic maps of the physical land and water surfaces. Coupled with this composite of data overlays is an application of computer techniques and hydrologic - process response equations which allow meaningful simulation of the map-like behavior of hydrologic interaction re- sulted from natural and man-induced alterations on watershed. Among the primary operations of the data' bank herein presented are reclassification of map categories and overlaying maps to obtain rainfall excesses, determining distance and connectivity in terms of travel times of the excess rainfall to predefined target area at Lam Pao reservoir in Northeast of Thailand; and characterizing cartographic neighborhood of contributive flow that originates on or crosses a given discretized-geographic location into stream drainage complexes-with due account taken of any relative flow barriers. Success is seen in the test cases of the large watershed in responses analysis. The scenarios demonstrated in the study include diverse practical objectives, such as new watershed man- agement practices, new zoning patterns for land planning, alternate sites for new hydraulic structures, or the impact of sitting a flood detention barrier on specific Zones of the study area. Other immense advantages of the approach when viewed from database flexibility and data dynamics from Landsat are herein succinctly summarised. Evolution of this new concept and its advantage premises should enhance our scope and, vision to analyse data in natural processes; and the leading approach and methodology should collec- tively contribute to the computer applications and substantiation in such area of natural science as hydrology.
500 _aA dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Engineering.
650 0 _aWatersheds
_xSimulation methods
650 0 _aRemote sensing
650 0 _aLandsat satellites
700 1 _aQuimpo, Rafael G.,
_eExternal examinor
700 1 _aTang, John C.S.,
_eExamination Committee
700 0 _aTawatchai Tingsanchali,
_eExamination committee
700 1 _aHuynh, Ngoc Phien,
_eExamination Committee
700 0 _aKaew Nualchawee,
_eChairperson
710 2 _aJapan Government Scholarship,
_eScholarship donor
810 2 _aAsian Institute of Technology.
_tDissertation ;
_vno. CS-87-1
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B00296
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