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برآورد اتلاف تاجی، ساقاب و تاج‌بارش در توده طبیعی راش شرقی (جنگل شصت‌کلاته) | ||
| تحقیقات جنگل و صنوبر ایران | ||
| مقاله 12، دوره 16، شماره 4، دی 1387، صفحه 648-638 اصل مقاله (203.64 K) | ||
| نوع مقاله: علمی- پژوهشی | ||
| نویسندگان | ||
| سمیه قربانی1؛ رامین رحمانی* 2 | ||
| 1دانشجوی کارشناسی ارشد جنگلداری، دانشگاه علوم کشاورزی و منابع طبیعی گرگان | ||
| 2دانشیار، دانشگاه علوم کشاورزی و منابع طبیعی | ||
| چکیده | ||
| در این پژوهش اندازه‌گیری مقادیر بارش، ساقاب و تاج‌بارش از آبان 1384 تا آبان 1385 در توده راش واقع در سری یک جنگل شصت‌کلاته گرگان از جنگل‌های هیرکانی انجام شد. ارتفاع بارش در این دوره 1/827 میلی‌متر بود. تعداد 31 اصله درخت به‌طور تصادفی انتخاب شدند. بعد از هر بارش مقادیر ساقاب و تاج‌بارش هر درخت اندازه‌گیری شد. تاج‌بارش و ساقاب به‌ترتیب40 و3/0 درصد از بارش بودند. اتلاف تاجی (تفاوت میان بارش و مجموع ساقاب و تاج‌بارش) 7/59 درصد بارش کل بود. رابطه میان بارش با ساقاب، تاج‌بارش و اتلاف تاجی بررسی شد. | ||
| کلیدواژه‌ها | ||
| بارش؛ ساقاب؛ تاج‌بارش؛ اتلاف تاجی؛ مدل‌سازی | ||
| عنوان مقاله [English] | ||
| Estimating of interception loss, stemflow and throughfall in a natural stand of oriental Beech (Shastkalateh forest) | ||
| نویسندگان [English] | ||
| Somayyeh Ghorbani1؛ Ramin Rahmani2 | ||
| 1M.Sc. student of forestry, Gorgan University of Agricultural Sciences and Natural Resources | ||
| 2Associate Prof., Gorgan University of Agricultural Sciences and Natural Resources. | ||
| چکیده [English] | ||
| In this study, measurements of precipitation, throughfall and stemflow fluxes were conducted from November 2005 through November 2006 within a natural stand of oriental beech (Fagus orientalis Lipsky) in district 1, Shastkalateh, Hyrcanian forests.Total precipitation in this period was 827.1 mm year−1. A sample of 31 trees was randomly selected. Throughfall and stemflow of each tree were collected after every precipitation. Throughfall and stemflow fluxes represented 40% and 0.3% of the precipitation, implying that interception loss (the difference between precipitation and sum of throughfall and stemflow) was 59.7%. Relation between throughfall, stemflow and interception with precipitation was invistigaited. | ||
| کلیدواژه‌ها [English] | ||
| precipitation؛ stemflow, throughfall, interception, modeling | ||
| مراجع | ||
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