宁夏春、夏、秋季干旱与降水集中期及集中度的关系

纳丽, 郑广芬, 任少云, 许建秋

Relationship of Drought with Precipitation-Concentration Period and Precipitation-Concentration Degree in Ningxia in Spring, Summer and Fall

NA Li, ZHENG Guang-fen, REN Shao-yun, XU Jian-qiu

冰川冻土 . 2013, (4): 1015 -1021 . DOI: 10.7522/j.issn.1000-0240.2013.0114