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一、自然地理环境清水位于甘肃省东南部,界于北纬34°32′至34°58′,东径105°45′至106°30′之间。地处渭河北岸,大部属黄土丘陵沟壑区。海拔高在1100—2200米之间,由于地势东高西低,由西向东气候差异较大,又由于春季冷暖气团交替,气候多变,而影响泡桐的生长发育。全县平均气温8.8℃,年极端最高气温36℃,年极端最低气温—24.9℃,年平均降水量580毫米,多集
I. Natural Geographic Environment Water is located in the southeastern Gansu Province at a latitude of 34 ° 32 ’to 34 ° 58’ north latitude and 105 ° 45 ’to 106 ° 30’ east longitude. Is located in the north bank of the Weihe River, most of the loess hilly and gully areas. Elevation between 1100-2200 meters, due to the terrain east high west low, from west to east climate differences, but also due to the spring alternating air and warm climates, and affect the growth and development of Paulownia. The county average temperature of 8.8 ℃, annual maximum temperature of 36 ℃, annual minimum temperature of -24.9 ℃, the average annual rainfall of 580 mm, and more sets