??
?2???????15??????????? (????????? ????????????)2???????????????14????,??????(????)(????“?????????????????????”)?2??????????????????,?????????,????,????,??????1.2?????????????
2025??????2??????8???,???????2?,?????????????????????
????????????????,?????,???????????????3.2?LiDAR??????????????????????,???????????????60?,?5??
?????1148.17???????,???????593.72???????????,?????554.45??,????40???????????-60????????????????????,?????????????,?283??????????????????????,??42.7?????????908??????????????????(???????1162????????????????????),??????????????296??????????????????????,?????????????????2562.8????,?????????????????18?????283??????????,?????306???,????????417????
?(??????????????)?????????2010????(DEM),?????????????5????????????????????????DEM?????????????????????,??????????,???DEM?0.1??????????????????????(???????????DEM???????????????????????)?“???,?,???DEM???,????????????????????”?,?????0.5???????
??,?DEM????????DEM??????????,????,???????????????58.7????????,????????????22.4???????????
?????????????????,???35.3????????????,?57.7?,???????????????????(??????)
??:????????????
?????????:??????????? ????????????????????????????