منابع مشابه
Morphological analysis of glaciated valleys in the Zardkuh Mountains, Iran
The morphology of glacial valley can be described in terms of power law or quadratic equations fitted to valley cross-profiles. These two models are used to study the cross-profiles of 86 valley cross-profiles in the Zardkuh Mountain in order to understand the evolutional patterns of valleys. Assessment of using the power law function indicates that b values for both valley sides range from 1.0...
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Children born in societies with a heavy social burden of HIV/AIDS, poor health and nutrition, and limited stimulation face additional challenges to flourishing before they turn six compared to children in societies that are not characterized by these environmental strains. Particularly, multiply-stressed caregivers, affected by HIV/AIDS and poverty, might have a limited capacity to provide care...
متن کاملA rapid upward shift of a forest ecotone during 40 years of warming in the Green Mountains of Vermont.
Detecting latitudinal range shifts of forest trees in response to recent climate change is difficult because of slow demographic rates and limited dispersal but may be facilitated by spatially compressed climatic zones along elevation gradients in montane environments. We resurveyed forest plots established in 1964 along elevation transects in the Green Mountains (Vermont) to examine whether a ...
متن کاملThe Neogene biota of the Transantarctic Mountains
Department of Geosciences, North Dakota State University, Fargo, ND 58105, U.S.A. ([email protected]; [email protected]) Department of Earth Sciences, Boston University, Boston, MA 02215, U.S.A. ([email protected]) 1930 Bunkhouse Drive, Jackson, WY 83001, U.S.A. ([email protected]) Plant Sciences and Biodiversity, Royal Botanic Gardens Melbourne, Victoria, Australia, 3141 (david.cantr...
متن کاملThe Green of Green Functions
lish Midlands, is famous for its association with Robin Hood, whose statue stands in the shadow of the castle wall. The Sheriff of Nottingham still has a special role in the city government although happily no longer strikes terror into the hearts of the good citizens. Recently a new attraction, a windmill, has appeared on the Nottingham skyline (see figure 1). The sails turn on windy days and ...
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ژورنال
عنوان ژورنال: Science
سال: 1892
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.ns-20.514.328