论文部分内容阅读
章古台位于北纬42°43′,东经122°22′,系科尔沁沙地东南前哨。区内由流动沙丘(地)、半固定沙丘(地) 和固定沙丘(地) 组成。土壤主要为风沙土。立地条件较恶劣。该区属于温带半湿润性气候,其特点是: 春、秋干旱,3-5月的蒸发量为同期降水量的10.6倍,大气相对湿度常达0-1%,秋季(10月) 降水量平均只有25.6毫米,全年降水量虽有369-641毫米,但季节降水的分配极不均匀。
Zhanggutai is located at 42 ° 43’N and 122 ° 22’E, which is the southeastern outpost of Horqin Sandy Land. The area consists of mobile dunes (ground), semi-fixed dunes (ground) and fixed dunes (ground). The soil is mainly sandy soil. Site conditions more harsh. The area belongs to the temperate semi-humid climate, which is characterized by drought in spring and autumn. The evaporation in March-May is 10.6 times of the precipitation in the same period, and the relative humidity in the atmosphere is often up to 0-1%. The precipitation in autumn (October) Only an average of 25.6 millimeters. Although the annual rainfall is 369-641 millimeters, the distribution of seasonal precipitation is extremely uneven.