نتایج جستجو برای: seasonal change

تعداد نتایج: 650005  

Journal: :اکو هیدرولوژی 0
مریم احمدوند کهریزی دانشجوی کارشناسی ارشد آبخیزداری، گروه مرتع و آبخیزداری، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه گنبد کاووس، گنبدکاووس، ایران حامد روحانی استادیار، گروه مرتع و آبخیزداری، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه گنبد کاووس، گنبدکاووس، ایران

assessing the potential impacts of 21st-century climate change on species distributions and ecological processes requires climate scenarios with sufficient spatial resolution. in this study we projected future changes in maximum temperature and minimum temperature under cmip3 sres and cmip5 rcps scenarios with two station-based datasets (arazkoseh and nodeh) of the eastern golestan province. ch...

2016
Wei Lin Jianhua Z. Huang Tucker McElroy

We propose a new seasonal adjustment method based on the regularized singular value decomposition (RSVD) of the matrix obtained by reshaping the seasonal time series data. The method is flexible enough to capture two kinds of seasonality: the fixed seasonality that does not change over time and the time-varying seasonality that varies from one season to another. RSVD represents the time-varying...

2006
Alex Hall Xin Qu

[1] Differences in simulations of climate feedbacks are sources of significant divergence in climate models’ temperature response to anthropogenic forcing. Snow albedo feedback is particularly critical for climate change prediction in heavily-populated northern hemisphere land masses. Here we show its strength in current models exhibits a factor-of-three spread. These large intermodel variation...

Journal: :Eos, Transactions American Geophysical Union 2009

Journal: :Environmental Epidemiology 2019

Journal: :Proceedings of the National Academy of Sciences 2020

Journal: :Frontiers in neuroendocrinology 2015
David F Sherry Scott A MacDougall-Shackleton

The hippocampus plays an important role in cognitive processes, including memory and spatial orientation, in birds. The hippocampus undergoes seasonal change in food-storing birds and brood parasites, there are changes in the hippocampus during breeding, and further changes occur in some species in association with migration. In food-storing birds, seasonal change in the hippocampus occurs in f...

2017
Robert N. Rosenfield Madeline G. Hardin John Bielefeldt Edward R. Keyel

Numerous studies have demonstrated earlier timing of spring migration and egg-laying in small passerines, but documentation of such responses to recent climate change in the life histories of higher trophic feeding birds such as raptors is relatively scarce. Raptors may be particularly susceptible to possible adverse effects of climate change due to their longer generation turnover times and lo...

2012
Priyakant Sinha Lalit Kumar

Due to seasonal spectral variability in land-cover of cool temperate climatic conditions, the method that suits best for seasonal land-cover change identification remains uncertain. The study tested 11 different binary change detection methods and compared their capability in detecting land-cover change/no-change information in different seasons. Multi-date Thematic Mapper (TM) data pertaining ...

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