Results 1 to 10 of about 393,380 (305)

The ripple algorithm and its application in optimizing the parameters of the Muskingum model

open access: yesShuili Shuiyun Gongcheng Xuebao
This paper introduces a new heuristic intelligent optimization algorithm called the ripple algorithm (RA), inspired by the ripple phenomenon in nature.
WANG Tinghui   +4 more
doaj   +1 more source

Dryland farming in Iran: Feasibilities, constraints, and challenges towards sustainable expansion

open access: yesSustainable Futures
Iran has an arid and semi-arid area located in the dry region of Middle East. Irrigated and dryland farming systems are the main sources for food supply and production in a vast area of Iran.
Seyed Hamid Ahmadi   +2 more
doaj   +1 more source

Optimization of the Local Split-Window Algorithm for FY-4A Land Surface Temperature Retrieval

open access: yesRemote Sensing, 2019
FY-4A is a second generation of geostationary orbiting meteorological satellite, and the successful launch of FY-4A satellite provides a new opportunity to obtain diurnal variation of land surface temperature (LST).
Lijuan Wang   +3 more
doaj   +1 more source

Spatiotemporal Variations and Spatially Associated Factors of Drought in Hebei Province Based on Multi-Source Consistency Evaluation of Remote Sensing Drought Indices

open access: yesLand
Global climate change has intensified drought risk, threatening water resources, agriculture, and ecosystems. This study evaluated four Moderate Resolution Imaging Spectroradiometer (MODIS)-based drought indices in Hebei Province: the evapotranspiration ...
Suya Zhao   +6 more
doaj   +1 more source

Evaluation of a new method for quantification of heat tolerance in different wheat cultivars

open access: yesJournal of Integrative Agriculture, 2018
Heat stress seriously affects wheat production in many regions of the world. At present, heat tolerance research remains one of the least understood fields in wheat genetics and breeding and there is a lack of effective methods to quantify heat stress ...
Qiang LI   +10 more
doaj   +1 more source

Drought Tip: Drought Strategies for Alfalfa [PDF]

open access: yes, 2015
Author(s): Orloff, Steve; Putnam, Dan; Bali, Khaled | Abstract: Drought conditions require a whole new approach to crop production, and that includes alfalfa. Learn how to keep alfalfa crop losses to a minimum under a limited-water regime.
Orloff, Steve, Putnam, Dan, Bali, Khaled
openaire   +3 more sources

Analysis of precipitation wetness-dryness encountering and its uncertainty in the Yangtze River and Yellow River basins

open access: yesShui kexue jinzhan
The probability analysis of precipitation encountering in the Yangtze River and Yellow River basins is of great significance for ensuring water security in China's South-to-North Water Diversion Project.
Yuli RUAN   +5 more
doaj   +1 more source

Under What Conditions Can Rain‐Fed Saffron Be Cultivated in Semi‐Arid Regions?

open access: yesMeteorological Applications
Saffron could be produced under rain‐fed conditions, but the required conditions are not well known. To determine these conditions, crop growth models can be used. The modified SYEM model for rain‐fed saffron was calibrated and validated.
Zahra Khosravi   +2 more
doaj   +1 more source

Droughts and Mega-Droughts

open access: yesAtmosphere-Ocean, 2022
Jialin Lin   +2 more
openaire   +1 more source

Multi-dimensional Model-driven Digital Twin for River Greening [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
In this paper, for the problems of low efficiency, high cost, and difficult assessment in the traditional river greening maintenance and supervision mode, a digital twin system construction scheme for river greening based on multidimensional modeling and
R. Li   +11 more
doaj   +1 more source

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