Epa ' s drastic method was apllied to evaluate the groundwater vulnerability of lijiang basin in the historical city of lijiang in yunnan province with the consideration of depth to the water table , net recharge , aquifer material , soil type , topography , impact of vadose zone and hydraulic conductivity of aquifer from the natural environment and humankind activities with the help of gis technology 摘要应用美国环保署epa的地下水脆弱性drastic评价方法，考虑地下水位埋深、含水层净补给量、含水层介质、土壤包气带、地形地貌、包气带介质和水力传导系数等7个评价因子，结合gis技术，对云南丽江古城所在的丽江盆地地下水脆弱性从自然和人类影响两方面进行评价。
Dali at more than 30 km northwest of taoyuan others bai is a residential - style inn , with a century from the town hi chau only two kilometers , according cangshan pong erhai lake is the hudiequan you to the beautiful and indispensable part of the old town of lijiang ' s , if your journey tired , if you want to slowly enjoy the beautiful scenery in dali , bai if you want to experience the quiet fishing village life , taoyuan people is your ideal quiet yajia , bai here typical residential home is white bai fishing village architecture and the epitome of the people ' s living standard practices by huotang , pottery , old fishing boats , carved wood doors and brick flower mix into a warm garden , you can feel different delight of life and peaceful countryside 位于大理古城西北三十多公里的桃源人家是一处白族民居风格的客栈，相离百年古镇喜洲仅两公里，依苍山傍洱海，是您去美丽的蝴蝶泉和丽江古城的必经之地，如果您旅途累了，如果您想慢慢享受在大理的美好风光，如果您想体会白族渔村的恬静生活，桃源人家是您最理想的安静歇脚地，这里有典型的白族民居，是白家渔村的建筑和白族人民生活习俗的缩影，由火塘、陶罐，古旧的渔船、木雕花门和青砖地组合成的温馨庭院，能让你感受到别样的生活情趣和幽静的田园风光。
