Mapping 20 years of irrigated croplands in China using MODIS …
2022年7月15日 · Therefore, routinely monitoring irrigated areas can not only facilitate water management and allocation but also evaluate its environmental and climatic effects.
Half of twenty-first century global irrigation expansion has been in ...
2024年3月8日 · Specifically, a global assessment of whether changes in irrigated area have occurred in locations where conditions of water scarcity already existed is still missing, which could shed new light...
IrriMap_CN: Annual irrigation maps across China in 2000–2019 …
2022年10月1日 · Agricultural irrigation, as an important practice to protect crops from drought and promote grain yield, has a long history in China. A timely and precise dataset about the extent and dynamics of irrigated areas is necessary for water allocation and agricultural management but is scarce in China.
1978—2020年我国有效灌溉面积时空变化特征-【维普期刊官网】
摘要 为准确评估我国不同地区有效灌溉面积的变化情况,采用趋势分析及常规数理统计方法,对1978—2020年我国31个省级行政区(统计数据未含港、澳、台地区。下同)的有效灌溉面积及相关农业统计数据进行研究,探究我国有效灌溉面积时...
Irrigation in the Earth system - Nature Reviews Earth & Environment
2023年6月20日 · Countries with some of the world’s most intensively cultivated areas — including China, India, the United States and Pakistan — report the area actually irrigated at national and subnational ...
Global Map of Irrigation Areas (GMIA) | Land & Water | Food and ...
Additional map layers show the percentage of the area equipped for irrigation that was actually used for irrigation and the percentages of the area equipped for irrigation that was irrigated with groundwater, surface water or non-conventional sources of water.
Irrigated Area: Beijing | 经济指标 | CEIC - CEIC Data
该数据的历史最高值出现于12-01-1983，达343.267千公顷，而历史最低值则出现于12-01-2019，为109.243千公顷。CEIC提供的农业:有效灌溉面积:北京数据处于定期更新的状态，数据来源于国家统计局，数据归类于中国经济数据库的农业 – Table CN.RIB: Irrigated Area。
AQUASTAT - 粮农组织全球水与农业信息系统
An explanation of the different terminology to indicate areas under irrigation is given in this glossary. Please note that information for the additional layers on area actually irrigated or on the water source for irrigation was derived from statistical survey data (e.g. census reports).
大型灌区农田有效灌溉面积发展趋势分析及预测
The farmland effective irrigated area of large-sized irrigation district was an important basic condition of food security. The development trend of farmland effective irrigated area of...
Forty years of irrigation development and reform in China
2019年9月11日 · In 2009, the General Office of the State Council of China issued a document on ‘National Water-saving Irrigation Planning’. It specified that, by 2020, the area irrigated under water-saving irrigation projects should reach 80 per cent of …