نتایج جستجو برای: burned area
تعداد نتایج: 588132 فیلتر نتایج به سال:
Owing to climate change-induced global warming, the frequency and duration of extremely hot events over Iberian Peninsula (IP), such as heatwaves, are expected continue increase. This study shows change individual monthly concurrent burned area in IP recent period 1998–2015, compared with reference 1980–1997. Results show a dichotomic behaviour, June August showing an increase July September ma...
•We evaluate historical and future burned area (BA) trends their drivers•Recent BA has decreased in central South America mesic African savannas•High-latitude warming, (sub)tropical drying, human ignitions will increase BA•Fire suppression near settlements can offset large potential increases Wildfire is an important natural disturbance for many ecosystems, helping to shape biome distributions ...
This Letter presents field-based evidence of the perturbing effects of surface anisotropy on the remote sensing of burned savannah. The analysis is based on bidirectional spectral reflectance data collected at different solar illumination angles and convolved to Moderate-resolution Imaging Spectroradiometer (MODIS) reflective bands. Results from a grass savannah site show that burning reduces t...
The nutrition of patients with extensive burns usually requires daily intakes of fats, proteins and carbohydrates with a total calorific value in excess of 4000 kcal together with supranormal amounts of water and various ions, mainly sodium. These calorie requirements by a patient confined to bed are approximately those required by a normal adult male performing hard manual work. Recognition of...
We describe the in situ production of a burn wound dressing applied to eschar that completely isolates burned tissue from contamination with Pseudomonas aeruginosa. Anesthetized, adult rats were subjected to a scald burn over 10% of their body surfaces. One-half hour later a test dressing presumed to be a barrier to bacterial contamination of the wound was applied to the burned surface. Tannic ...
The ecosystems within the area that burned in the Hayman Fire have a long history of fire (see part 1 of this chapter). It follows, therefore, that all of the native species and populations in this area probably have one or more mechanisms for enduring fire or becoming reestablished after fire and that no native species is likely to become extinct as a result of the direct effects of the Hayman...
Fire has become more extensive in recent decades in southwestern United States arid lands. Burned areas pose management challenges and opportunities, and increasing our understanding of post-fire plant colonization may assist management decision-making. We examined plant communities, soils, and soil seed banks two years after the 2005 Loop Fire, located in a creosote-blackbrush community in Red...
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