| 海滦河流域干旱化趋势探讨 |
| |
| 引用本文： | 候明.海滦河流域干旱化趋势探讨[J].河北省科学院学报,1990(2):51-55. |
| |
| 作者姓名： | 候明 |
| |
| 作者单位： | 河北省科学院地理研究所 |
| |
| 摘 要： | 干旱化问题,已成为世界性重大环境问题。海滦河流域干旱化趋势更令人担忧,干燥度多已升到1.5以上。由于降水减少,地下水严重超采,已形成大面积地下水下降漏斗,农作物得不到及时浇灌,受旱面积逐年扩大,粮棉减产严重。工矿企业布局亦受影响,经济发展受到抑制,人民的生活环境受到影响。
|
| 关 键 词： | 干燥度 干旱 |
APPROACH TO THE TENDENCY OF ARIDITY IN HAIHE AND LUANHE RIVER BASINS |
| |
| Hou Ming.APPROACH TO THE TENDENCY OF ARIDITY IN HAIHE AND LUANHE RIVER BASINS[J].Journal of The Hebei Academy of Sciences,1990(2):51-55. |
| |
| Authors: | Hou Ming |
| |
| Abstract: | In recent years the precipitation has reduced and the groundwater has been seriously overexploited. So crops often suffer from droughts. The yield of grain, cotton and oil crops drop. Besides, the allocation of industry and mining is disturbed, the development of economy is limited, and the people's living environment is influenced. |
| |
| Keywords: | Aridity Drought |
| 本文献已被 CNKI 维普 等数据库收录！ |
|
