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Evaluation of water- energy- food nexus in agricultural products of Dehgolan County 德戈兰县农产品水-能-粮关系评价
Pub Date : 2021-12-22 DOI: 10.52547/envs.2021.222630.1078
Salah Mafakheri, H. Veisi, K. Khoshbakht, M. Nazari
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引用次数: 0
Interactive effect of slope aspect and rainfall intensity on soil permeability compared to acidic rainfalls 坡向和降雨强度对酸性降雨土壤渗透性的交互作用
Pub Date : 2021-12-22 DOI: 10.52547/envs.2021.37016
hamzeh saeediyan, Hamidreza Moradi
Interactive effect of slope aspect and rainfall intensity on soil permeability compared to acidic rainfalls. Environmental Sciences. 19(4): 131-144 sensitivity to soil permeability compared to acid rains. However, the Gachsaran formation showed uniformity changes compared to acidic precipitation and showed positive effects on slope aspect and rain intensity and interactive effect of slope aspect and rain intensity in almost all three concentrations. In addition, by increasing the amount of soil permeated with acid rains, the amount of soil porosity increased, this case was due to this type of contamination on the main ingredients of soil and washing soil bonds. Of course, slope aspect different amounts of clays in both Aghajari and Gachsaran formations, is more influenced by soil permeability than acidic precipitations. The existence of different organic matter in the main aspects of the slopes, especially in the northern and eastern slope aspects, creates a more complex situation in electrical charge changes, which necessitates further research to understand this complex mechanism. Conclusion: In general, by increasing the acidic degree and increasing the penetration time, soil properties were changed, including the resistance characteristics and bearing capacity of the soil, which in turn, due to the amount of clay and different organic matter, caused more influence of acidic precipitation on soil permeability.
坡向和降雨强度对酸性降雨土壤渗透性的交互作用。环境科学,19(4):131-144。与酸性降水相比,Gachsaran地层表现出均匀性变化,在几乎所有三种浓度下均表现出对坡向和雨强的正向影响以及坡向和雨强的交互效应。此外,随着酸雨渗透土壤的量的增加,土壤孔隙度的增加,这种情况是由于这种污染对土壤的主要成分和洗涤土壤的结合。当然,Aghajari和Gachsaran地层中不同粘土量的坡向受土壤渗透性的影响比酸性降水的影响更大。不同有机质在斜坡主要坡面,特别是北部坡面和东部坡面的存在,造成了较为复杂的电荷变化情况,需要进一步研究来了解这一复杂机制。结论:总的来说,随着酸性程度的增加和渗透时间的延长,土壤的特性发生了变化,包括土壤的抵抗特性和承载能力,而土壤的抵抗特性和承载能力又由于粘土的含量和有机质的不同,导致酸性降水对土壤渗透性的影响更大。
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引用次数: 0
Monitoring land-use changes and predicting their spatio-temporal trends in Hamedan City 哈马丹市土地利用变化监测及时空趋势预测
Pub Date : 2021-12-22 DOI: 10.52547/envs.2021.36712
Naser Shafiei Sabet, Faranak Feyzbabaei cheshmeh sefidi
Monitoring land-use changes and predicting their spatio-temporal trends in Hamedan City. 145-164. was in the very poor barren lands and rangeland, which reached 49.8% in 2004. Horticultural and irrigated agriculture land use and mountainous land use decreased by 1.2 and 1.5%, respectively, in 2004 compared to 1993. The land-use area of residential and non-residential construction and barren lands have continued to increase in 2019. The area of these land uses increased by 1.1 and 2.4%, respectively. Finally, it can be said that from 1993 to 2019, horticultural, agricultural, mountainous, and rangeland uses have been transformed into residential and non-residential construction uses and barren lands. This land conversion has negative consequences for the region's future. Conclusion: In this study, it was found that the automatic cell model and Markov chain have a high ability to predict future land-use changes. Also, the largest increase in land use was related to residential and non-residential construction and barren lands, and other land uses such as garden lands and irrigated and mountainous agriculture. Rangeland experienced a decrease in area in the region. Therefore, planners should consider this extensive urban growth and development to carry out their plans more efficiently.
哈马丹市土地利用变化监测与时空趋势预测[j] . 145-164。在非常贫瘠的荒地和牧场,2004年达到49.8%。与1993年相比,2004年园艺和灌溉农业用地和山地用地分别减少了1.2%和1.5%。2019年,全国居住、非居住建设用地面积和荒地面积继续增加。土地利用面积分别增长1.1%和2.4%。最后,可以说,从1993年到2019年,园艺、农业、山地和牧场用途已经转变为住宅和非住宅建设用途和荒地。这种土地转换对该地区的未来产生了负面影响。结论:自动单元模型和马尔可夫链对未来土地利用变化具有较高的预测能力。此外,土地利用增幅最大的是住宅和非住宅建设用地、荒地,以及园林用地、灌溉农业和山地农业等其他土地利用。该地区的牧场面积有所减少。因此,规划者应该考虑这种广泛的城市增长和发展,以更有效地执行他们的计划。
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引用次数: 0
Urban growth simulation using cellular automata model and machine learning algorithms (case study: Tabriz metropolis) 基于元胞自动机模型和机器学习算法的城市增长模拟(以大不里士大都会为例)
Pub Date : 2021-12-22 DOI: 10.52547/envs.2021.36900
Omid Ashkriz, B. Mirbagheri, A. Matkan, A. Shakiba
Urban growth simulation using cellular automata model and machine learning algorithms (case study: Tabriz metropolis). Environmental Sciences. 19(4): 183-204. Results and discussion: The results showed that the random forest algorithm with the area under the ROC curve of 0.9228 compared to the support vector machine and multilayer perceptron neural network algorithms with 0.8951 and 0.8726, respectively, had a better performance in estimating the change potential of non-urban to urban areas. Furthermore, in comparison with others, the random forest also clearly showed local variations in potential change. Finally, the growth of Tabriz city was simulated using the cellular automata model based on the obtained change potential maps. Comparison of the prediction map in the validation period with the current situation of urban areas in 2015 showed that the accuracy of an urban growth simulation model based on random forest with a Figure of Merit index of 0.3569 compared to models based on support vector machine and artificial neural network was more accurate in allocating non-urban to urban lands with 0.3496 and 0.3434, respectively. Conclusion: As machine learning algorithms such as artificial neural networks, support vector machines, and random forest are capable of solving non-linear problems, using them is strongly recommended for urban growth simulation. Also, among the algorithms used in this research, the random forest algorithm based on ensemble learning has a higher advantage than the two-support vector machine and the artificial neural network algorithms.
使用元胞自动机模型和机器学习算法的城市增长模拟(案例研究:大不里士大都会)。环境科学,19(4):183-204。结果与讨论:结果表明,与分别为0.8951和0.8726的支持向量机和多层感知器神经网络算法相比,ROC曲线下面积为0.9228的随机森林算法在估计非城市向城市地区的变化潜力方面具有更好的性能。此外,与其他随机森林相比,随机森林也明显表现出潜在变化的局部差异。最后,利用元胞自动机模型对大不里士市的发展进行了模拟。将验证期预测图与2015年城市现状进行对比,基于随机森林的城市生长模拟模型的优值指数为0.3569,在非城市用地到城市用地的划分上,其精度分别为0.3496和0.3434,优于基于支持向量机和人工神经网络的模型。结论:由于人工神经网络、支持向量机和随机森林等机器学习算法能够解决非线性问题,因此强烈建议使用它们进行城市增长模拟。此外,在本研究使用的算法中,基于集成学习的随机森林算法比双支持向量机和人工神经网络算法具有更高的优势。
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引用次数: 0
Investigation of psychological factors affecting the behavior of reducing the use of plastic bags (Case study: Hypermarkets in Mashhad) 影响减少塑料袋使用行为的心理因素调查(以马什哈德大型超市为例)
Pub Date : 2021-12-22 DOI: 10.52547/ENVS.2021.34135
آوا حیدری, نگار فلاحی, انسیه صابری, پرنیان هادیان, اسما آذری, یگانه هروی, نگار حسنی, علیرضا خوراکیان
زمینه و هدف: کیسه­های پلاستیکی رایگان مزایایی عملی برای مصرف­کنندگان دارد اما بدلیل اینکه دیرتجزیه­پذیر بودن و افزودنی­های آن تاثیرات نامطلوبی بر محیط زیست می­گذارد. لذا در این مطالعه عوامل موثر بر قصد و رفتار افراد برای استفاده از کیسه­های پلاستیکی با نظریه رفتار برنامه­ریزی شده و مدلسازی ساختاری مورد بررسی قرار گرفت.روش بررسی: تعداد کل 360 مشتری در 7 هایپرمارکت بزرگ در مناطق مختلف کلان شهر مشهد  به سوالات پرسشنامه پاسخ دادند. داده­های بدست آمده با نرم افزار IBM SPSS Statistic 22 و AMOS 24 تجزیه و تحلیل شدند. مدل توسعه­یافته­ای بر اساس نظریه رفتار برنامه­ریزی شده با متغیرهای نگرش شناختی، نگرش موثر، انگیزه اقتصادی، فیدبک، هنجار ذهنی، کنترل رفتاری، قصد و رفتار معرفی شد تا عوامل موثر بر رفتار کاهش استفاده از کیسه­های پلاستیکی را تعیین کند. یافته­ها: نتایج این مطالعه نشان داد که بیش از نیمی از پاسخ دهنده­گان به پرسشنامه ها، زن بودند و بیش از 30 درصد آنها در رده سنی 25-35 سال قرار داشتند. تاثیر اطلاعات دموگرافی بر قصد کاهش استفاده از کیسه­های پلاستیکی در هایپرمارکت­ها با آزمون آنوا مورد بررسی قرار گرفت. تنها سن  (p 0.05) بر روی قصد برای انجام رفتار دارد. هنجار با ضریب 41/0 تاثیر مثبت و معناداری (p < 0.001) بر روی قصد برای انجام رفتار دارد.نتیجه­گیری: پارامترهای اصلی نظریه رفتار برنامه­ریزی شده ( نگرش، هنجار ذهنی و کنترل رفتاری ) به طور معنی­داری قصد کاهش استفاده از کیسه­های پلاستیکی را توصیف می­کنند. افزودن متغیرهای جدید مانند فیدبک و انگیزه اقتصادی به این نظریه، کمک به سایر پیش­بینی­کننده­های رفتار تعیین شود. هنجار از مهمترین متغیرهای است که تاثیر سایر فاکتورها مانند نگرش شناختی، نگرش موثر، انگیزه اقتصادی، فیدبک، و کنترل رفتاری بر قصد کاهش مصرف کیسه­های پلاستیکی را میانجی می­کنند. اگر چه انگیزه اقتصادی بر کاهش تمایل برای استفاده از کیسه­های پلاستیکی مجانی تاثیر دارد، اما شایسته است که رویکرد مداخله­ای بر اساس مدل ارائه شده در این مطالعه، برای یافتن راه­حل استفاده شود.
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引用次数: 0
Distribution modeling of the hybrid sister taxa in red-headed bunting and black-headed bunting, Order Passeriformes 红头狩猎与黑头狩猎杂交姊妹类群的分布模型
Pub Date : 2021-12-22 DOI: 10.52547/envs.2021.1016
S. Rahmati, M. Gholamalifard, A. Gholamhosseini, S. M. Ghasempouri
Distribution modeling of the hybrid sister taxa in red-headed bunting and black-headed bunting, Order Passeriformes. Environmental Science. 19 (4): 269-286. According to the results, it can be acknowledged that the area of suitable habitats for Embriza melanocephala species in the west was less than today, which according to studies, internal and climatic factors were effective in moving both species and hybridization area to the west. The results indicate decreasing habitat suitability for the studied species in both periods (the last ice age until now and now until 2050). Conclusion: Understanding the factors influencing the suitability of wildlife habitats is essential. Some changes due to rapid ecosystem manipulation are seen in the new distribution of birds. In general, wildlife planning and conservation strategies should monitor the factors affecting habitats and maintain and manage these factors in order to prevent biodiversity loss.
红头狩猎与黑头狩猎杂交姊妹类群的分布模型。环境科学,19(4):269-286。研究结果表明,黑头麻在西部适宜生境的面积比现在要小,内部因素和气候因素对黑头麻物种和杂交区向西部迁移都是有效的。结果表明,研究物种在两个时期(最后一个冰河时期到现在和现在到2050年)的栖息地适宜性都在下降。结论:了解影响野生动物生境适宜性的因素至关重要。由于生态系统的快速操纵,在鸟类的新分布中可以看到一些变化。一般而言,野生动物规划和保护战略应监测影响生境的因素,并维持和管理这些因素,以防止生物多样性丧失。
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引用次数: 0
Investigating the effect of Gotvand Dam on changes in soil salinity and vegetation cover of downstream lands of the dam using satellite imagery and spectral indices 利用卫星影像和光谱指数研究戈特万大坝对大坝下游土地土壤盐分和植被覆盖变化的影响
Pub Date : 2021-12-22 DOI: 10.52547/envs.2021.1014
M. Sharif, S. Hamzeh
and Investigating the effect of Gotvand Dam on changes in soil salinity and vegetation cover of downstream lands of the dam using satellite imagery and spectral indices. Environmental Sciences. 19(4): 225-248. the according to the of changes obtained from the used indicators and their correlation with changes in the these values were estimated at 921 hectares, with areas covered by halophyte changing to 445 hectares and halophyte to 476 hectares. Conclusion: The results of the study indicate the onset of the highest stresses in the plant ecosystem of the region and the simultaneous decline in leaf cover and NDVI with the water intake of Gotvand Dam since 2011. This coincidence, which is due to the salinity of the water of Gotvand Dam Lake and consequently Karun River, has a significant effect on increasing salinity and changes in soil quality of the region and thus increasing halophyte plants as well as high vegetation degradation in the region. These conditions can create more serious challenges for the ecosystem of this area and in the long period change the ecosystem and vegetation cover of this region to halophyte plants.
利用卫星影像和光谱指数研究戈特万大坝对大坝下游土地土壤盐分和植被覆盖变化的影响。环境科学,19(4):225-248。根据使用的指标变化及其与这些值变化的相关性,估计921公顷,盐生植物覆盖面积变化为445公顷,盐生植物覆盖面积变化为476公顷。结论:研究结果表明,自2011年以来,该地区植物生态系统处于最高胁迫期,植被覆盖度和NDVI随戈特万大坝取水量的增加而同步下降。这种巧合是由于戈特万水坝湖和卡伦河的水的盐度,对该地区盐分增加和土壤质量变化产生了重大影响,从而增加了该地区的盐生植物和高度的植被退化。这些条件会对该地区的生态系统造成更严重的挑战,并在长期内使该地区的生态系统和植被覆盖向盐生植物转变。
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引用次数: 0
Investigating the effectiveness of education with the aim of developing participatory communication in conservation: A study of Qanat water supply system in Khezrabad, Yazd 调查教育的有效性,目的是在保护中发展参与式交流:对亚兹德Khezrabad坎儿井供水系统的研究
Pub Date : 2021-09-23 DOI: 10.52547/envs.2021.35822
I. Islami, Hossein Sarvi Sadrabad, Hasan Tabatabaei, M. Rahmani
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引用次数: 1
Quantitative and qualitative study of acid mine drainage (AMD) in Sungun copper mine tailings dump with emphasis on its refineability 孙郡铜矿尾矿库酸性矿水的定量定性研究,重点研究其可提炼性
Pub Date : 2021-09-23 DOI: 10.52547/envs.2021.36082
Mohammad Reza Afshoon, N. Mehrdadi
{"title":"Quantitative and qualitative study of acid mine drainage (AMD) in Sungun copper mine tailings dump with emphasis on its refineability","authors":"Mohammad Reza Afshoon, N. Mehrdadi","doi":"10.52547/envs.2021.36082","DOIUrl":"https://doi.org/10.52547/envs.2021.36082","url":null,"abstract":"","PeriodicalId":11919,"journal":{"name":"Environmental Sciences","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78778444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Estimation of gasoline loss from evaporation in different seasons of the year in Tehran gas stations 德黑兰加油站一年中不同季节汽油蒸发损失的估算
Pub Date : 2021-09-23 DOI: 10.52547/envs.2021.36368
M. Chehrehei, Seyed Alireza Mirza Hosseini, N. Mansouri, Y. Rashidi, M. Behzadi
{"title":"Estimation of gasoline loss from evaporation in different seasons of the year in Tehran gas stations","authors":"M. Chehrehei, Seyed Alireza Mirza Hosseini, N. Mansouri, Y. Rashidi, M. Behzadi","doi":"10.52547/envs.2021.36368","DOIUrl":"https://doi.org/10.52547/envs.2021.36368","url":null,"abstract":"","PeriodicalId":11919,"journal":{"name":"Environmental Sciences","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80580262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
Environmental Sciences
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