نتایج جستجو برای: dpsir model
تعداد نتایج: 2104463 فیلتر نتایج به سال:
Human-environment dynamics in European treeline ecosystems: a synthesis based on the DPSIR framework
Since the introduction of cities and urbanization, healthy water supplement and urban wastewater treatment have been considered as an important factor to evaluate progress in the urban areas. Tehran as a megacity is facing the lack of water. Tehran water supplement is far from its area; therefore, Tehran-Karaj plain has been considered in this study. So, Tehran water quantity index using the DP...
زمینه و هدف: ارزیابی و پهنه بندی ریسک سیلاب در سکونتگاه های انسانی به دلیل توسعه آن ها در حاشیه رودخانه ها، بستر و حواشی دشت های سیلابی بدون شناخت و توجه به شرایط هیدرولوژیکی و دینامیکی رودخانه ها و قسمت های بالا دست حوضه که موجب افزایش خطر سیلاب و خسارات جانی، مالی و زیربنایی می شود، امری ضروری و مهم در راستای توسعه پایدار سکونتگاه های انسانی می باشد. هدف از تحقیق حاضر شناسایی علل سیلاب و پیش ...
Green port governance is an emerging and recent restructuring process influencing authorities regarding adopting recurring sustainable practices within their business models. However, contemporary academic bias towards a particular aspect of practice leads to publication results fragmentation difficulty in collective assessment the conclusions. The lack holistic research endeavors hinders ident...
a semi-empirical mathematical model for predicting physical part of ignition delay period in the combustion of direct - injection diesel engines with swirl is developed . this model based on a single droplet evaporation model . the governing equations , namely , equations of droplet motion , heat and mass transfer were solved simultaneously using a rung-kutta step by step unmerical method . the...
The semi-enclosed topography and the strong anthropogenic pressures make the Baltic Sea vulnerable to environmentally induced ecological changes. The large-scale nutrient overenrichment is one of the most serious threats against the health and future perspectives of the Baltic Sea ecosystem. To combat the eutrophication in a complex marine ecosystem, an interdisciplinary agenda is needed. Co-op...
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