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Geographic information system

Xem 1-20 trên 189 kết quả Geographic information system
  • It is now almost 40 years since Roger Tomlinson coined the term geographic information system (GIS), and led the development of the world’s first, the Canada Geographic Information System (CGIS), in the mid-1960s (for a history of GIS see Foresman 1998). Today’s technology would be almost unrecognizable to the pioneers of the 1960s, not only because of the almost unbelievable advances in information technology (IT) that have occurred since then, but also because of dramatic changes in the functionality, appearance, use, and societal context of GIS.

    pdf389p 951628473 07-05-2012 117 8   Download

  • Khóa luận tốt nghiệp Hệ thống thông tin địa lý: Ứng dụng hệ thống thông tin địa lý (Geographic Information System) đánh giá thích nghi cà phê tại huyện Di Linh tỉnh Lâm Đồng đánh giá sự thích nghi đất đai cây cà phê ở tỉnh Lâm đồng giúp cho việc quy hoạch và phát triển cây cà phê trên địa bàn tỉnh có khoa học và hiệu quả, nâng cao hiệu quả sử dụng đất.

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  • This study was conducted to estimate the effect of salinity on crop yield by employing a geographical information system (GIS) and remote sensing technologies. The saline soils of Ar›can village, located in the southeastern part of Harran Plain, were studied.

    pdf6p masterbarista 14-01-2019 17 1   Download

  • This model study was conducted in Antalya region greenhouses for the determination and registration of agricultural resources as a part of adjustment efforts for the European Union (EU) Common Agricultural Policy (CAP). The aim was to create new database systems based on remote sensing (RS) and geographic information systems (GIS), rather than conventional land measurement techniques.

    pdf8p aquaman27 15-01-2019 17 1   Download

  • The development of the coastline in Cua Viet outlet area from 1952 to 2015 was quantitatively evaluated using remote sensing technique and geographic information system (GIS). The result of the research shows that in the Cua Viet outlet area the accretion and erosion phenomena occur in a very complex manner, with erosion predominating over accretion in both scale and intensity, in which the coast sections with the largest scale and highest intensity of erosion are usually located near the outlet (both inside and outside the outlet).

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  • The paper is based on the study of distribution of Rhododendron arboreum Sm. in Langtang National Park ranging from 600 m to 7234 m. The study was carried out the Remote-Sensing and Geographic Information System technique. SPOT Image and ERDAS Software have been used for the image processing. The program has detected different ecological parameters in tropical to alpine zone and verified ground truth Rhododendron arboreum of the study.

    pdf6p nguathienthan1 27-11-2019 12 1   Download

  • Bài giảng Hệ thống thông tin địa lý (G.I.S – Geographical Information System) gồm có những nội dung chính sau: Giới thiệu về hệ thống thông tin địa lý (GIS) và khả năng ứng dụng GIS, cấu trúc dữ liệu không gian trong GIS, thu thập và tiền xử lý dữ liệu địa lý, phân tích dữ liệu và sai số trong GIS, hệ thông tin địa lý và internet. Mời các bạn cùng tham khảo.

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  • The Water Erosion Prediction Project (WEPP) model and the Agricultural Non-Point-Source Pollution Model (AGNPS) were used in conjunction with a geographic information system (GIS) database to predict runoff and sediment discharges for Rock Creek watershed, an agricultural watershed in Ohio, USA.

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  • Poverty alleviation programs will run properly, if a local government has datas on poor households those are accurate and up-to-date, so that is necessary for Geographic Information System WebBased Poor Households in Ketapang that the program will be given to poor households to be right on target.

    pdf5p girlsseek 27-02-2019 17 0   Download

  • We describe the spatial distribution of the genus Acantholimon Boiss. (Plumbaginaceae) taxa in Turkey, and assess the role that environmental variables may be playing on this distribution. We collected a large number of specimens from 418 geo-referenced sampling sites between 2000 and 2004, and established a point database using geographic information systems (GIS) software.

    pdf20p vibasque27 27-03-2019 11 0   Download

  • The application of remote sensing and geographical information system for the analysis of morphometric parameters are found to be of immense utility in watershed prioritization for soil, water conservation and natural resources management at micro level. Geomorphological analysis is the systematic description of watershed geometry and its stream system. These parameters directly or indirectly reflect the response of entire watershed based on causative factors that are affecting runoff and sediment loss.

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  • Morphometric analysis is important in any hydrological investigation and it is inevitable in development and management of drainage basin. Geographical Information System and image processing techniques can be employed for the identification of morphological features and analyzing properties of basin. The morphometric parameters of basin can address linear, areal and relief aspects.

    pdf10p angicungduoc6 22-07-2020 1 0   Download

  • Chapter 4 - Analytics, decision support, and artificial intelligence: brainpower for your business. After completing this unit, you should be able to: Compare and contrast decision support systems and geographic information systems, describe the decision support role of specialized analytics like predictive analytics and text analytics, describe the role and function of an expert system in analytics,...

    ppt15p tangtuy17 11-07-2016 39 2   Download

  • Database Systems: Lecture 13 - Emerging Research Directions in DBs/ISs provides about Mobile Databases, Multimedia Databases, Geographic Information Systems, Bioinformatics, XML, Data Mining, Data Warehousing, Introduction to ASIS Lab.

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  • This chapter includes content: Distributed databases & client-server architectures, spatial and temporal database, multimedia databases, geographic information systems, XML, data warehousing, outsourcing database services, big data. Inviting you to refer lecture for more information.

    pdf87p youcanletgo_02 07-01-2016 45 1   Download

  • Welcome to ESRI® ArcGIS® ArcMap™, the premier software for desktop geographic information system (GIS) and mapping technology. ArcMap gives you the power to: • Visualize. In no time you’ll be working with your data geographically: seeing patterns you couldn’t see before, revealing hidden trends and distributions, and gaining new insights. • Create. It’s easy to create maps to convey your message. ArcMap provides all the tools you need to put your data on a map and display it in an effective manner. • Solve. Working geographically lets you answer questions such as “Where is...

    pdf598p bxhuyen 09-02-2011 235 86   Download

  • Hệ Thông tin địa lý - GIS (Geographical Information System) là một công cụ máy tính để lập bản đồ và phân tích các sự vật, hiện tượng thực trên trái đất. Công nghệ GIS kết hợp các thao tác cơ sở dữ liệu thông thường (như cấu trúc hỏi đáp) và các phép phân tích thống kê, phân tích địa lý, trong đó phép phân tích địa lý và hình ảnh được cung cấp duy nhất từ các bản đồ. Những khả năng này phân biệt GIS với các hệ thống thông tin khác và khiến cho GIS có...

    doc5p ad_uit 25-01-2011 176 48   Download

  • Bài viết Ứng dụng GIS xây dựng cơ sở dữ liệu và bản đồ chất lượng môi trường đề cập đến khả năng ứng dụng của công nghệ GIS (geographic information system) trong xây dựng cơ sở dữ liệu và thành lập bản đồ chất lượng môi trường khu vực hạ lưu sông Cầu, phục vụ hỗ trợ công tác quản lý môi trường.

    pdf7p maiyeumaiyeu25 23-12-2016 153 18   Download

  • Geographic Information Systems (GIS) has emerged as one of the most important and widely used softwares for the social scientists in last two decades. Economists, sociologists, political scientists, public administrators, and geographers alike use GIS for capturing, storing, analyzing, and presenting spatially referenced socio-economic data. Election campaigns have been using GIS in a rapidly increasing manner. It has also been substantially used by urban and regional planners, natural resources scientists, and civil engineers.

    pdf384p dontetvui 21-01-2013 43 6   Download

  • Tuyển tập các báo cáo nghiên cứu về bệnh thú y được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành thú y đề tài: Geographical Information System (GIS) as a Tool in Surveillance and Monitoring of Animal Diseases...

    pdf7p hoami_2511 21-10-2011 43 5   Download

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