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نتیجه جستجو - آب و هوا

تعداد مقالات یافته شده: 177
ردیف عنوان نوع
1 Towards automatic waste containers management in cities via computer vision: containers localization and geo-positioning in city maps
به سمت مدیریت خودکار ظروف زباله در شهرها از طریق بینایی کامپیوتری: محلی سازی ظروف و موقعیت جغرافیایی در نقشه های شهر-2022
This paper describes the scientific achievements of a collaboration between a research group and the waste management division of a company. While these results might be the basis for several practical or commercial developments, we here focus on a novel scientific contribution: a methodology to automatically generate geo- located waste container maps. It is based on the use of Computer Vision algorithms to detect waste containers and identify their geographic location and dimensions. Algorithms analyze a video sequence and provide an automatic discrimination between images with and without containers. More precisely, two state-of-the-art object detectors based on deep learning techniques have been selected for testing, according to their perfor- mance and to their adaptability to an on-board real-time environment: EfficientDet and YOLOv5. Experimental results indicate that the proposed visual model for waste container detection is able to effectively operate with consistent performance disregarding the container type (organic waste, plastic, glass and paper recycling,…) and the city layout, which has been assessed by evaluating it on eleven different Spanish cities that vary in terms of size, climate, urban layout and containers’ appearance.
keywords: Waste container localization | Deep Learning | Computer Vision | Object detection
مقاله انگلیسی
2 Genetic Algorithm based Internet of Precision Agricultural Things (IopaT) for Agriculture 4:0
اینترنت اشیاء دقیق کشاورزی مبتنی بر الگوریتم ژنتیک (IopaT) برای کشاورزی 4:0-2022
The development of IoT is increasing in our daily life. Its applications are now becoming famous in rural areas also, such as Agriculture 4.0. Cheap sensors, climate data, soil in- formation, and drones are now used to solve many real-time problems. One of the most emerging topics in the IoT in the Agriculture field is IoT based precision agriculture. The range of IoT applications can range between water spraying from drone, soil recommenda- tion for different crops, weather prediction and recommendation for water supply, etc. In this paper we propose a system that will recommend whether water is needed or not by predicting the rain fall using Genetic Algorithm. In this article, we proposed a unique de- cision making method to predict Rainfall using Genetic Algorithm (GA) to identify the ne- cessity of manual water supply is needed or not. The sensor based system will be activated to check wheather the GA based system completes its prediction correctly or not by sens- ing moisture level from the soil. If the moisture level of the soil crosses the pre-defined threshold value then plant watering is performed by quadrotor UAV. A terrace gardening system is also implemented in this article, which uses a pump for water spraying. Various atmospheric parameters help to develop a rainfall prediction system to enhance efficiancy more than 80% in the proposed IopaT system to make the system more interoperable.
keywords: اینترنت اشیا | تصمیم گیری | کشاورزی دقیق | الگوریتم ژنتیک | کشاورزی 4.0 | کوادکوپتر پهپاد | سنسور رطوبت خاک | Internet of Things | Decision Making | Precision Agriculture | Genetic Algorithm | Agriculture 4.0 | Quadrotor UAV | Soil Moisture Sensor
مقاله انگلیسی
3 The politics behind scientific knowledge: Sustainable forest management in Latin America
سیاست پشت دانش علمی: مدیریت جنگل پایدار در آمریکای لاتین-2021
Sustainable Forest Management (SFM) seeks to achieve an equilibrium in the economic, social and environ- mental value of all types of forests. This practice contrasts with the conventional view of managing forests, in which the focus is productivity. Thus, discussions about conventional forest management versus sustainable forest management play a central role in the political and scientific agendas. However, knowledge production and its direction can be biased by different contextual factors such as the way funding is assigned by each country, institutional priorities, and constraints on international cooperation. With this paper, we aim to analyze the contribution of scientific knowledge produced in Latin America within the sustainable forest management research landscape by applying a literature review method (Scopus database for 2015–2018 period). Our results show a similar contribution of national and foreign funds and institutions supporting scientific knowledge about SFM in Latin America. Foreign funding comes mainly from United States of America, and Europe. Latin American authors lead high proportion of scientific articles, and authorship gender was more equitable between male and female researchers. The studies were mostly focused on conservation combined with productivity goals, as well as pure conservation goals, although social studies and restoration goals were also present. Our findings highlight a significant contribution to the paradigm shift in half of the scientific articles. Some studies provided recom- mendations (specific or general) derived from their results, but we did not detected a clear relationship with funding origin. Moreover, we found that the high contribution to the paradigm shift (studies supporting SFM instead of traditional management) came from institutions based in Latin America. This article aims to contribute to discussions related to scientific funding in Latin America, the North-South scientific relations, and the future of forest in times of climate change.
keywords: سیاست های جنگلداری | همکاری بین المللی | بررسی ادبیات | منابع طبیعی | تحقیق و توسعه | بودجه پژوهشی | Forestry policies | International cooperation | Literature review | Natural resources | Research and development | Research funding
مقاله انگلیسی
4 The importance of accounting-integrated information systems for realising productivity and sustainability in the agricultural sector
اهمیت سیستم های اطلاعاتی حسابداری یکپارچه برای تحقق بهره وری و پایداری در بخش کشاورزی-2021
Agricultural information systems are an integral part of modern farming and are helping to make a significant contribution to improved farm productivity and profitability. To date, however, there has been a failure to integrate accounting information systems with onfarm data, despite today’s farmers facing unprecedented and interconnected economic and resource pressures. This study explores this problem in more detail, defines the objectives of the solution and develops a model of integrated accounting and agricultural information systems, drawing on a ‘fads and fashions’ framework and advancing our understanding of bundled innovations. Using data from a participatory case study in Australian potato farming, the study integrates accounting data with soil moisture and climate data to track, alert and inform irrigation decisions. Development of preliminary digital software based on the model demonstrates how cost-informed tracking, alerts and forecasting can be supported by bundling accounting information systems and sensing technology. In doing so, the model extends the fads and fashions framework for agricultural information systems and demonstrates how accounting information can be the key for improved water productivity, profitability and agricultural sustainability.
keywords: تصمیم گیری کشاورزی | سیستم های حسابداری یکپارچه | نوآوری های همراه | سنسور | اطلاعات دیجیتال | ایستگاه های آب و هوا | تصویربرداری ماهواره ای | Agricultural decision-making | Integrated accounting systems | Bundled innovations | Sensors | Digital information | Weather stations | Satellite imagery
مقاله انگلیسی
5 Not just an engineering problem: The role of knowledge and understanding of ecosystem services for adaptive management of coastal erosion
فقط یک مشکل مهندسی نیست: نقش دانش و درک خدمات اکوسیستم برای مدیریت انطباق فرسایش ساحلی-2021
Coastal ecosystems are recognized as important providers of ecosystem services such as carbon storage, increased fish productivity, and wave energy reduction. In a context of climate change, coastal ecosystems are exposed to erosion and subject to coastal squeeze, even as they provide natural coastal protection against extreme weather. While civil engineering solutions often take centre stage in mitigating coastal erosion and protecting infra- structure from storms and sea level rise, we seek to explore the social dimension of adaptive management of socio-ecological systems and more specifically the role of knowledge and learning. Using an ecosystem services (ES) framework, we provide a first evaluation of local stakeholders’ perceptions of coastal habitats in maritime Quebec. The findings demonstrate the importance of a social approach for coastal ES valuation, in particular in addressing the complex question of cultural ES. A better understanding of the links between coastal stakeholders and their natural environment can help decision-makers and practitioners design conservation management and coastal adaptation measures mainstreaming the role of coastal habitats. Nevertheless, a change towards a socio- ecological perspective will require long-lasting processes that build on social capacities, such as flexible in- stitutions and multilevel governance systems.
keywords: حکومت انطباقی | ابعاد اجتماعی | فرسایش ساحلی | خدمات محیط زیستی | زیستگاه های ساحلی | ادراک ذینفعان | Adaptive governance | Social dimension | Coastal erosion | Ecosystem services | Coastal habitats | Stakeholders’ perception
مقاله انگلیسی
6 Cultural consensus knowledge of rice farmers for climate risk management in the Philippines
دانش اجماع فرهنگی کشاورزان برنج برای مدیریت ریسک آب و هوایی در فیلیپین-2021
Despite efforts and investments to integrate weather and climate knowledges, often dichotomized into the scientific and the local, a top-down practice of science communication that tends to ignore cultural consensus knowledge still prevails. This paper presents an empirical application of cultural consensus analysis for climate risk management. It uses mixed methods such as focus groups, freelisting, pilesorting, and rapid ethnographic assessment to understand farmers’ knowledge of weather and climate conditions in Barangay Biga, Oriental Mindoro, Philippines. Multi-dimensional scaling and aggregate proximity matrix of items are generated to assess the similarity among the different locally perceived weather and climate conditions. Farmers’ knowledge is then qualitatively compared with the technical classification from the government’s weather bureau. There is cultural agreement among farmers that the weather and climate con- ditions can be generally grouped into wet, dry, and unpredictable weather (Maria Loka). Damaging hazards belong into two subgroups on the opposite ends of the wet and dry scale, that is, tropical cyclone is grouped together with La Ni˜na, rainy season, and flooding season, while farmers perceive no significant difference between El Ni˜no, drought, and dry spells. Ethnographic information reveals that compared to the technocrats’ reductive knowledge, farmers imagine weather and climate conditions (panahon) as an event or a phenomenon they are actively experiencing by observing bioindicators, making sense of the interactions between the sky and the landscape, and the agroecology of pest and diseases, while being subjected to agricultural regulations on irrigation, price volatility, and control of power on subsidies and technologies. This situated local knowledge is also being informed by forecasts and advisories from the weather bureau illustrating a hybrid of technical science, both from the technocrats and the farmers, and personal experiences amidst agricultural precarities. Speaking about the hybridity of knowledge rather than localizing the scientific obliges technocrats and scientists to productively engage with different ways of knowing and the tensions that mediate farmers’ knowledge as a societal experience.
keywords: دانش اجماع | پیش بینی آب و هوا | کشاورزی | خطر ابتلا به آب و هوا | Consensus knowledge | Weather forecasting | Agriculture | Climate risk
مقاله انگلیسی
7 Purchasings contribution to supply chain emission reduction
سهم خرید در کاهش انتشار زنجیره تامین-2021
Does environmental purchasing and supplier management (EPSM) help to reduce greenhouse gas (GHG) emissions in the supply chain and, thereby, mitigate climate change? And, if so, under which conditions? Taking these two questions as a starting point, we hypothesize that heightened environmental protection efforts targeting the upstream value chain should lead to a reduction of greenhouse gas emissions in the buying companies’ supply chain. We continue to delineate three contingency factors that might affect the relationship between EPSM and supply chain GHG emissions: The power of the buying firm over supply chain partners, prior experience in EPSM, and materiality of environmental supply chain management in a certain industry. We collect longitudinal data from 260 companies and analyze them using hybrid panel data analysis. We find that the increase of EPSM leads to a significant reduction of the GHG emission intensity of buying firms’ supply chains and that this reduction is stronger for companies operating in industries where emission management is more material.
Keywords: Sustainable supply chain management | Environmental purchasing | Environmental performance | Emission reduction | Climate change mitigation | Hybrid modelling
مقاله انگلیسی
8 اقتصاد ، جامعه و حاکمیت در قطب شمال: مروری بر پروژه تحقیقاتی ArCS در زمینه علوم انسانی و علوم اجتماعی (2015-2020)
سال انتشار: 2021 - تعداد صفحات فایل pdf انگلیسی: 13 - تعداد صفحات فایل doc فارسی: 55
این مقاله به طور خلاصه دستاوردهای یکی از موضوعات موجود در پروژه Arctic Challenge برای پایداری (ArCS) است. این مضمون که عمدتاً از محققان علوم انسانی و اجتماعی تشکیل شده است ، برای اتصال دستاوردهای سایر مضامین به ذینفعان و سیاست گذاران طراحی شده است. با توجه به روش تحقیق ما ، این مقاله بحث را در سه زمینه تحقیقاتی پیش می برد. ابتدا ، توسعه اقتصادی در قطب شمال مورد تجزیه و تحلیل قرار می گیرد. در حالی که گرم شدن آب و هوا در قطب شمال افزایش یافته است ، امکان استفاده از مسیر دریای شمال و توسعه منابع زیرزمینی در حال گسترش است. پایداری این توسعه برای شناسایی چشم انداز آینده فعالیت اقتصادی بررسی خواهد شد. دوم ، تعامل بین انسان و محیط در نظر گرفته خواهد شد. بر اساس اطلاعات جمع آوری شده از طریق کار میدانی در سیبری شرقی ، داخلی آلاسکا ، و گرینلند ، نشان داده خواهد شد که چگونه عوامل انسانی و طبیعی در تغییر محیط به طور پیچیده ای بافته شده اند. سوم ، موضوعات مختلفی درباره حکومت قطب شمال مورد بحث و بررسی قرار خواهد گرفت. چندین نکته از جمله سیاست حقوقی قطب شمال ، روابط بین الملل و دخالت افراد بومی در اداره منابع از موضوعات اصلی بحث خواهد بود. پس از نشان دادن این دستاوردهای پروژه ، چالش های آینده مطالعه قطب شمال نشان داده خواهد شد.
کلید واژه ها: مسیر دریایی شمال | توسعه منابع | دانش بومی | دولت قطب شمال
مقاله ترجمه شده
9 Capacity building in participatory approaches for hydro-climatic Disaster Risk Management in the Caribbean
ایجاد ظرفیت در رویکردهای مشارکتی برای مدیریت ریسک بلایای آبی-اقلیمی در کارائیب-2021
The participatory approach to Disaster Risk Management (DRM) considers socio-economic factors and facilitates the incorporation of local and indigenous knowledge into management plans while offering an opportunity to all resource users to have an input. Caribbean WaterNet/Cap-Net UNDP, Global Water Partnership-Caribbean (GWP-C), and the Faculty of Food and Agriculture, The University of the West Indies (FFA, UWI) conducted a series of regional training of trainers’ workshops in Integrated Urban Flood Risk Management and Drought Risk Management to build regional capacity in this approach. The trainings took place over two years in six (6) Caribbean Small Island Developing States (SIDS). Over 150 persons from a range of sectors relevant to water resource management participated and contributed. The workshop gathered information on sectoral impacts, potential mitigation measures and challenges of hydro-climatic hazards. Capacity building and knowledge transfer was evaluated at two stages; at the end of the last day of training and 6 months after, as part of a monitoring and evaluation assessment. Both the initial and 6-month evaluations revealed significant knowledge transfer and subsequent institutional and policy impacts. Initial evaluation indicated 99% participant satisfaction with both training content and structure. In the six-month evaluation, 85% of participants indicated that the knowledge gained was used to improve their work performance and, in some cases, contributed to changes in institutional policy and frameworks.
keywords: کاهش خطر بلایا | خشکسالی و سیل | مشاوره با ذینفعان | کشورهای جزیره ای کوچک در حال توسعه | Disaster risk reduction | Drought and floods | Stakeholder consultations | Small island developing states
مقاله انگلیسی
10 Lessons learned from development of natural capital accounts in the United States and European Union
درس های آموخته شده از توسعه حساب های سرمایه طبیعی در ایالات متحده و اتحادیه اروپا-2021
The United States and European Union (EU) face common challenges in managing natural capital and balancing conservation and resource use with consumption of other forms of capital. This paper synthesizes findings from 11 individual application papers from a special issue of Ecosystem Services on natural capital accounting (NCA) and their application to the public and private sectors in the EU and U.S. NCA is inherently a data-integration centered exercise, aiming to draw new insights by realigning environmental and economic data into a consis- tent framework. Drawing primarily on papers from the special issue and other key NCA literature, we identify lessons learned and gaps remaining for NCA’s development and application to decision making. In doing so, we identify eight key similarities and three major differences in NCA development, status, and application between the U.S. and EU. NCA can be highly policy relevant: special issue papers address critical issues including agri- culture, water, conservation/land-use planning, climate, and corporate decision making. In both the U.S. and EU, further application is needed to drive demand for the accounts’ production. Based on these experiences, the U.S. and EU can be important leaders in cross-sector, international collaboration toward next-generation environ- mental economic accounts that advance global NCA practice.
keywords: حسابداری طبیعی سرمایه | حسابداری بخش خصوصی | سیستم حسابداری محیطی-اقتصادی- | ING (رادیو) | چارچوب مرکزی Seea | حسابداری اکوسیستم Seea | Natural capital accounting | Private-sector accounting | System of Environmental-Economic Account- | ing (SEEA) | SEEA Central Framework | SEEA Ecosystem Accounting
مقاله انگلیسی
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