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浏览/检索结果: 共7条，第1-7条 帮助 限定条件 发表日期：2019     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Dryness/wetness pattern over the Three-River Headwater Region: Variation characteristic, causes, and drought risks 期刊论文 INTERNATIONAL JOURNAL OF CLIMATOLOGY, 2019, 页码: 17 作者:  Li, Sisi;  Yao, Zhijun;  Wang, Rui;  Liu, Zhaofei 收藏  |  浏览/下载：8/0  |  提交时间：2020/05/19 drought duration  ENSO  reference evapotranspiration  standardized precipitation evapotranspiration index  Three-River Headwater Region   Effects of rapid urbanization on vegetation cover in the metropolises of China over the last four decades 期刊论文 ECOLOGICAL INDICATORS, 2019, 卷号: 107, 页码: 11 作者:  Du, Jiaqiang;  Fu, Qing;  Fang, Shifeng;  Wu, Jinhua;  He, Ping 收藏  |  浏览/下载：5/0  |  提交时间：2020/05/19 Nighttime light data  Normalized difference vegetation index (NDVI)  Urbanized area  Buffers  Comparative analysis  The valid influence distance   Spatio-temporal characteristics and source identification of water pollutants in the upper and middle reachers of Heihe River 期刊论文 Zhongguo Huanjing Kexue/China Environmental Science, 2019, 卷号: 39, 期号: 10, 页码: 4194-4204 作者:  Wang, Yu;  Lu, Shi-Guo;  Feng, Qi;  Liu, Xian-De;  Liu, Juan-Juan 收藏  |  浏览/下载：9/0  |  提交时间：2020/11/14 Agricultural robots  Ammonia  Biogeochemistry  Deterioration  Drought  Multivariant analysis  Nutrients  Organic compounds  Reservoirs (water)  Rivers  Urban growth  Water quality  Heihe river  Multivariate statistical method  Source identification  Spatial temporals  Water quality indexes   Dissolved organic carbon driven by rainfall events from a semi-arid catchment during concentrated rainfall season in the Loess Plateau, China 期刊论文 HYDROLOGY AND EARTH SYSTEM SCIENCES, 2019, 卷号: 23, 期号: 7, 页码: 3141-3153 作者:  Wang, Linhua;  Yen, Haw;  E, Xinhui;  Chen, Liding;  Wang, Yafeng 收藏  |  浏览/下载：5/0  |  提交时间：2020/09/09 Spatio-Temporal Analysis of Vegetation Dynamics as a Response to Climate Variability and Drought Patterns in the Semiarid Region, Eritrea 期刊论文 REMOTE SENSING, 2019, 卷号: 11, 期号: 6, 页码: 23 作者:   收藏  |  浏览/下载：46/0  |  提交时间：2019/09/24 vegetation dynamics  climate variability  NDVI  drought  VCI  precipitation  temperature  SPI   新型城镇化水平与生态环境压力脱钩关系时空差异分析——以四川省绵阳市为例 期刊论文 中国农业资源与区划, 2019, 卷号: 40, 期号: 3, 页码: 121-129 作者:  王小兰;  王海明;  王旭熙 收藏  |  浏览/下载：2/0  |  提交时间：2020/11/23 新型城镇化  生态环境  脱钩  时空差异  绵阳市   Does 'Forage-Livestock Balance' policy impact ecological efficiency of grasslands in China? 期刊论文 JOURNAL OF CLEANER PRODUCTION, 2019, 卷号: 207, 页码: 343-349 作者:  Hu, Zhaomin;  Zhao, Zhe;  Zhang, Yue;  Jing, Haichun;  Gao, Shuqin 收藏  |  浏览/下载：17/0  |  提交时间：2022/01/06 Grass-based livestock husbandry  Ecological efficiency  Forage-livestock balance  Super-efficiency data envelopment analysis  Difference-in-difference (DiD) approach  Hulunbuir