Climate Suitability Zoning for Walnut Cultivation in Xingtai City Based on GIS
Climate suitability zoning for walnut cultivation based on GIS technology was carried out by u-sing meteorological and geographic information data from 17 national meteorological stations in Xingtai from 1991 to 2020.Based on the analysis of the climate suitability for the growth of walnut in Xingtai,seven factors,including annual mean temperature,effective accumulated temperature more than 10℃,annual pre-cipitation,extreme minimum temperature,annual sunshine hours,daily maximum temperature more than 40℃ days,and days of final frost earlier than the initial days of more than stable passage of 10℃,were selected as indicators of climate suitability zoning.The climate suitability zoning map of walnut in Xingtai was obtained by using GIS interpolation of various zoning indicators and fuzzy membership functions.The results showed that the suitable areas were mainly distributed in the eastern plain and the western shallow hilly areas;the less suitable areas were mainly distributed in the central plain and western hilly areas;the unsuitable areas were mainly distributed in the western mountainous areas and the reservoirs and construction land.
walnut cultivationclimate suitabilitymembership functionGISXingtai City