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مهارپذیری تولید رواناب و هدررفت خاک با استفاده از پسماندهای مختلف گوگردی در خاک مارنی | ||
| تحقیقات آب و خاک ایران | ||
| دوره 54، شماره 2، اردیبهشت 1402، صفحه 265-280 اصل مقاله (1.68 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/ijswr.2023.344083.669287 | ||
| نویسندگان | ||
| محمود شریفی‌مغانی1؛ سیدحمیدرضا صادقی* 1؛ نادر بهرامی‌فر2 | ||
| 1گروه مهندسی آبخیزداری، دانشکده منابع طبیعی، دانشگاه تربیت مدرس، نور، ایران | ||
| 2گروه محیط‌زیست، دانشکده منابع‌طبیعی، دانشگاه تربیت مدرس، نور، ایران | ||
| چکیده | ||
| امروزه فرسایش خاک یکی از مهم‌ترین چالش‌های زیست‌کره است. از طرفی تأمین نیازمندی‌های مختلف جامعه بشری، تولید زباله و پسماندهای مختلف و اغلب بدون استفاده را به دنبال دارد. بر همین اساس رویکردهای مختلف مدیریت پسماندها و افزایش بهره‌وری آن‌ها از طریق استفاده در مدیریت منابع خاکوآب می‌تواند منافع زیادی را به دنبال داشته باشد. در پژوهش حاضر از سه نوع پسماند گوگردی پالایشگاهی (تکه‌ای ، غباری و مخلوط با خاک) به‌عنوان افزودنی برای امکان‌سنجی مهار رواناب و هدررفت خاک مارنی منطقه مرزن‌آباد-کندلوس در شرایط آزمایشگاهی و در آزمایشگاه شبیه‌ساز باران و فرسایش خاک دانشگاه تربیت‌مدرس بین بهمن 1399 تا تیر 1400مدنظر قرار گرفت. برای این منظور از کرت کوچک با ابعاد 5/0×5/0×3/0 متر و شیب 25 درصد تحت بارش شبیه‌سازی‌شده با شدت 70 میلی‌متر بر ساعت و دوام 30 دقیقه استفاده شد. نتایج حاصل از پژوهش دلالت براثر معنی‌دار جداگانه سطح مصرف (04/0≥P) و نوع پسماند گوگردی (03/0≥P) و همچنین اثر متقابل سطح مصرف و نوع پسماند گوگردی (00/0≥P) بر حجم رواناب داشت. در خصوص هدررفت خاک نیز تأثیر معنی‌دار (02/0≥P) سطح‌های مختلف و غیرمعنی‌دار (06/0≤P) نوع پسماند گوگردی و همچنین اثر متقابل معنی‌دار (01/0≥P) سطح مصرف و نوع پسماند گوگردی بر هدررفت خاک از طریق تأثیر گوگرد بر ارتقای کیفیت و بهبود رفتار هیدرولوژیک خاک تائید شد. جمع‌بندی کلیه نتایج به‌دست‌آمده علاوه بر تأیید مصرف پسماند گوگردی در هریک از سطح‌ها و یا نوع، دلالت بر استفاده ترجیحی سطح دو گرم بر مترمربع گوگرد غباری داشته است. | ||
| کلیدواژه‌ها | ||
| افزودنی‌های خاک؛ پسماند پالایشگاه؛ مدیریت پسماند؛ مدیریت رواناب؛ مدیریت فرسایش | ||
| عنوان مقاله [English] | ||
| Controllability of runoff generation and soil loss due to application of different sulfur wastes on a marl soil | ||
| نویسندگان [English] | ||
| Mahmood Sharifi Moghani1؛ Seyed Hamidreza Sadeghi1؛ Nader Bahramifar2 | ||
| 1Department of Watershed Management Engineering, Faculty of Natural Resources, Tarbiat Modares University, Noor, Iran | ||
| 2Department of Environmental Science, Faculty of Natural Resources, Tarbiat Modares University, Noor, Iran | ||
| چکیده [English] | ||
| In recent years, various studies have been conducted using natural and chemical amendments to reduce runoff and soil loss. However, in many cases, the idea of using special wastes in water and soil conservation has not been considered yet. In this regard, the present study aimed to apply three types of refinery sulfur wastes (i.e., clod, dusty, and mixed with soil) as an additive to evaluate the feasibility of inhibiting soil and water loss on a marl soil from the Marzanabad-Kandolus Region. The experiments were conducted in the Rainfall and Soil Erosion Simulation Laboratory of Tarbiat Modares University between February and July 2021. The study was conducted at a small plot scale with dimensions of 0.5×0.5×0.3 m in three replications. Three levels of one, two, and four g m-2 of any sulfur waste were applied to plots nested on a slope of 25% and subjected to a design rain with an intensity of 70 mm.h-1 and a duration of 30 min. The results showed that the total volume of runoff was significantly (P≤0.04) decreased due to the application of all three levels of sulfur wastes. The different types of sulfur wastes (i.e., clod, dust, and mixed with soil) also had a significant effect (P≤0.03) on runoff volume. Besides, the interaction between application level and type of sulfur waste was more significant (P≤0.00). The application of different levels of sulfur wastes significantly reduced (P≤0.02) soil loss. At the same time, types of sulfur wastes had a non-significant effect (P ≥ 0.06) on soil loss reduction. However, the interaction effect of level and type of sulfur wastes on soil loss reduction was significant (P ≤ 0.01) due to positive impacts of sulfur on quality and hydrologic behavior of the soil. Finally, it is concluded that the consumption of sulfur waste in each level or type is confirmed, preferentially use of 2 g m-2 of dust sulfur. | ||
| کلیدواژه‌ها [English] | ||
| Refinery Wastes, Runoff Management, Soil Amendment, Soil Erosion Management, Waste Management | ||
| مراجع | ||
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