古河谷 meaning in English

ancient valley
former river valley

All of theses database was integrated into a land information system , which can be used to land evaluation and land use analysis . the second part is the application of soter land information system in land evaluation , based on water balance model watsat , crop simulation model ps 123 and ales ( automated land evaluation system ) . the handan land evaluation model was built in ales based on expert knowledge and farmer s " experiences , it includs three decision trees , namely soil erosion risk , soil water condition and soil fertility
以邯郸地区1 25万soter土壤土地数据库为基础，探讨了土壤参数区域化问题，并利用watsat区域水分平衡模型，研究了邯郸地区区域水分平衡：大部分地区土壤水分满足夏玉米生长需求， ( suff )值为0 . 8 - 1 . 0 ，非常适宜；部分地区如大名地区、邯郸和永年部分地区、涉县沟谷坡梁地区土壤水分适宜夏玉米生长， suff值0 . 4 ? 0 . 8 ；不适宜地区， suff值0 . 2 ? 0 . 4 ，主要集中于丘陵山区以及平原古河谷地砾石和粗砂分布区。