نتایج جستجو برای: arid and humid tropics
تعداد نتایج: 16832179 فیلتر نتایج به سال:
Overall climatic effects on citrus fruit quality have been well-documented and are discussed by W. Reuther in his section on "Climate and Fruit Quality". These can be briefly summarized as higher sugar levels and lower acidity in humid areas with warm nights. Conversely, sugar levels tend to be lower and acidity higher in arid areas with cool nights. Such generalizations often vary when shorter...
Chickpea (Cicer arietinum L.) is one of the most important legumes for human food and plays major roles in soil productivity. This crop is subjected to terminal drought in arid and semi-arid regions such as Iran. Identification of drought-induced genes is necessary not only for understanding molecular mechanisms of drought tolerance, but also is important to develop tolerant crops. In present s...
Landsat remote sensing of the central African humid tropics is confounded by persistent cloud cover and, since 2003, missing data due to the Landsat-7 Enhanced Thematic Mapper Plus (ETM + ) scan line corrector (SLC) malfunction. To quantify these limitations and their effects on contemporary forest cover and change characterization, a comparison was made of multiple Landsat-7 image mosaics gene...
Unsustainable farming practices such as shifting cultivation and slash-and-burn agriculture in the humid tropics threaten the preservation of the rainforest and the health of the local and global environment. In weathered soils prone to cohesion in humid tropic due to low Fe and carbon content and the enormous amounts of P that can be adsorbed, sustainable soil use is heavily dependent on the a...
Changes in Heat Index (a combined measure of temperature and humidity) associated with global warming are evaluated based on the output from four extended integrations of the GFDL coupled ocean-atmosphere climate model. The four integrations are: a control with constant levels of atmospheric carbon dioxide (CO2), a second integration in which an estimate of the combined radiative forcing of gre...
The coastal ecosystems of French Guiana are very complex and changing due to the presence of huge quantities of mud originating from the Amazon. have been studied for more than a decade. Due to access difficulties through both land and sea, the use of remote sensing has always been essential, and the understanding of the complex landscapes was greatly improved when airborne and spaceborne imagi...
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