?????????????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??????,??????(????)

????????????????:??????????????????????

??

??:???????????,??????????,??????????????