منابع مشابه
Can Field Observations Be Combined Systematically with the Regional Danger Rating to Estimate the Local Avalanche Danger?
Snow avalanche danger can vary considerably within the large forecast regions in western Canada. Experienced recreationists routinely use the regional bulletin along with local observations to estimate the local avalanche danger. However, some less experienced recreationists are unsure how to interpret the various field observations. To assess a systematic approach, we conducted a field study d...
متن کاملFatal Avalanche Accidents and Forecasted Danger Levels: Patterns in the United States, Canada, Switzerland and France
Throughout the winter, avalanche forecasters issue bulletins to help the public and the managers of public facilities make avalanche safety decisions. These bulletins typically describe important snowpack features and current weather events before rating the avalanche danger on a scale of one through five. Although the character of avalanche conditions may vary between regions, the physical pro...
متن کاملanalyzing patterns of classroom interaction in efl classrooms in iran
با به کار گیری روش گفتما ن شنا سی در تحقیق حا ضر گفتا ر میا ن آموزگا را ن و زبا ن آموزا ن در کلا سهای زبا ن انگلیسی در ایرا ن مورد بررسی قرار گرفت. ا هداف تحقیق عبا رت بودند از: الف) شنا سا ئی سا ختارهای ارتبا ط گفتا ری میا ن معلمین و زبا ن آموزا ن ب) بررسی تا ثیر نقش جنسیت دبیرا ن و زبا ن آموزان بر سا ختا رهای ارتبا ط گفتا ری میا ن آنها پ) مشخص کردن اینکه آ یا آموزگاران غا لب بر این ارتبا ط گف...
the impact of e-readiness on ec success in public sector in iran the impact of e-readiness on ec success in public sector in iran
acknowledge the importance of e-commerce to their countries and to survival of their businesses and in creating and encouraging an atmosphere for the wide adoption and success of e-commerce in the long term. the investment for implementing e-commerce in the public sector is one of the areas which is focused in government‘s action plan for cross-disciplinary it development and e-readiness in go...
Population attributable danger of hereditary heart breaks. Risk factors among newborns in Yazd, Iran
Background: hereditary heart problem are cardiac problems that develop prior to birth and influence the newborns' basic performance of heart. Different kinds of deficiency can range from mild (e.g. a small hole between the heart chambers) to severe (like a flaw or weakness into a heart part). Material & Method: This case-control research performed to evaluate PAR congenital heart defects danger...
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ژورنال
عنوان ژورنال: Journal of Glaciology
سال: 1961
ISSN: 0022-1430,1727-5652
DOI: 10.3189/s002214300001738x