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

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