Long-period astronomical forcing of mammal turnover
نویسندگان
چکیده
منابع مشابه
A Comparative Study of the Astronomical Revolution and Astronomy in the Safavid Period
The science of astronomy in Iran, like some other places in the world, has a long history. According to the internal accounts and the travelogues of the European tourists, astronomy was one of the most noted sciences for the Safavid government, and was influential in all affairs including governmental and military affairs, celebrations, and mourning ceremonies. This study uses a descriptive-ana...
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چکیده: یکی از دوره های مهم تاریخی ایران به لحاظ تأمین استقلال ملی مذهبی و حتی تأثیر آن بر فرهنگ و مذهب ایرانیان، دوره صفویه است. رسمیت دادن و رواج مذهب شیعه توسط شاه اسماعیل اول، یکی از مهمترین اقدامات این دولت محسوب می شود. بنابراین برای اجرای این سیاست، وی منصب صدارت را به عنوان منصبی مذهبی- حکو متی ایجاد کرد .این منصب از دوره ی تیموریان ایجاد شده بود ولی در اواخر این دوره اهمیت بیشتری یافت...
15 صفحه اولPrikry Forcing with Long Extenders
In this note, we go through Gitik’s Long Extender forcing. In order to motivate it, work through the basic Pirkry forcing as well as the diagonal Prikry forcing. The presentation here is based on Spencer Unger’s lectures from the 2015 GSST in addition to Gitik’s Handbook chapter.
متن کاملIdentifying impediments to long-distance mammal migrations.
In much of the world, the persistence of long-distance migrations by mammals is threatened by development. Even where human population density is relatively low, there are roads, fencing, and energy development that present barriers to animal movement. If we are to conserve species that rely on long-distance migration, then it is critical that we identify existing migration impediments. To deli...
متن کاملDistinct responses of East Asian summer and winter monsoons to astronomical forcing
Influences of the Earth’s astronomical forcing on the evolution of East Asian monsoon have been demonstrated with various geological records and climate models. Here, we present time series of climatic proxies from the Chinese Loess Plateau and Sanbao/Hulu caves and the winter/summer monsoon intensity index from a long-term transient climate model simulation. Both the observations and modelling...
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ژورنال
عنوان ژورنال: Nature
سال: 2006
ISSN: 0028-0836,1476-4687
DOI: 10.1038/nature05163