a geographical information system

Báo cáo khoa học: " Geographical Information System (GIS) as a Tool in Surveillance and Monitoring of Animal Diseases" potx

Báo cáo khoa học: " Geographical Information System (GIS) as a Tool in Surveillance and Monitoring of Animal Diseases" potx

Ngày tải lên : 12/08/2014, 15:20
... data as theme layers which can be displayed one at a time or on top of each other, like overheads on a projector These are stored in a geo-relational database Each feature has attribute data ... which can be joined with the geographical data through a common identifier (ID) An ID relevant to animal disease data could be a farm or region Numbers are to prefer as ID as characActa vet scand ... identify all adjacent farms to an infected farm It is a function that identifies all adjacent features with a certain criteria to a particular feature Contact patterns such as common use of grasslands...
  • 7
  • 341
  • 0
HỆ THỐNG THÔNG TIN ĐỊA LÝ - GEOGRAPHICAL INFORMATION SYSTEM docx

HỆ THỐNG THÔNG TIN ĐỊA LÝ - GEOGRAPHICAL INFORMATION SYSTEM docx

Ngày tải lên : 23/07/2014, 16:20
... định loạt toạ độ XY http://www.ebook.edu.vn A A A A A A A B B B A A A A A A B B B B A A A A A A B B B B B B A A A A B B B B B B A A A B B B B B B B A A C C C B B B B B C C C C C D D B B B C C C ... hình không gian Trong ARC/INFO, có hai dạng bảng thống kêlà bảng thống kê thuộc tính polygon (polygon attribute table - PAT) bảng thống kê thuộc tính cung are attribute table AAT Bảng bảng thuộc ... thuộc tính đợc chia mức sau: có tồn danh ngh a (niminal), thông thờng (ordinal), khoảng cách biệt (interval) tỉ số (ratio) Đo đạc mức độ (levels) Đo mức độ danh ngh a (normal): đo đạc tính chất...
  • 98
  • 307
  • 1
Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 1 ppt

Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 1 ppt

Ngày tải lên : 11/08/2014, 20:20
... concerning an area, in a relational database which is easy to update and use Rapid and easy display of visually appealing maps of such information, be it in its original form or after applying to it database ... attribute databases can be used to identify maps of areas with certain characteristics and (ii) maps can be used to find database information related to certain locations The accuracy of these systems ... areas) are stored in separate but related tables From a technical point of view, GIS are particular types of relational databases that combine attribute files and map files so that (i) attribute databases...
  • 31
  • 336
  • 0
Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 2 pps

Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 2 pps

Ngày tải lên : 11/08/2014, 20:20
... questions) and with a much more “visual” approach based on icons and windows Database theory originates from 1970, and during the 1970s and 1980s the availability of commercial database-management ... procedures and data may have to be added to the list above, and we are talking about a so-called Spatial Decision Support System (SDSS) (Densham, 1991), where GIS can – and often does – play an important ... database-management software became widespread, including advances such as the possibility of having programmable databases, or even so-called “intelligent” databases where the search for information can be subject...
  • 25
  • 425
  • 0
Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 3 ppsx

Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 3 ppsx

Ngày tải lên : 11/08/2014, 20:20
... and Venkatachalam (1994) relate copper mining to air quality, damage to vegetation and cumulative impacts on human health in Bihar State (India) The potential impacts of hazardous waste have been ... accident, International Journal of Geographical Information Science, Vol 15, No (January–February), pp 43–64 Van Slagmaat, M.J.M and Van der Veen, A. A (1990) Building an Environmental Information ... – what we can call environmental management – are also essential to IA but are not necessarily associated with any project in particular, and are usually carried out by large organisations (sometimes...
  • 29
  • 401
  • 0
Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 4 doc

Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 4 doc

Ngày tải lên : 11/08/2014, 20:20
... on landscape of grazing pressures on land Mendonca-Santos and Claramunt (2001) use a similar map algebra approach to integrate landscape and local analysis of land-cover changes Gustafson and ... “how much” Lajeunesse et al (1995) apply map algebra to the management of a regional park in Montreal, Chang et al (1995) use GIS for habitat analysis in Alaska, and Duguay and Walker (1996) ... North Central Botswana; Baldina et al., 1999, for the Lower Volga Delta in Russia) Haack (1996) combines GIS and satellite data for monitoring wetland changes in East Africa Priya and Shibasaki (1997)...
  • 35
  • 695
  • 0
Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 5 doc

Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 5 doc

Ngày tải lên : 11/08/2014, 20:20
... National Canadian Conference, Ottawa, Canada (March 5–8), pp 406–13 Armstrong, M.P and Densham, P.J (1990) Database Organisation Strategies for Spatial Decision Support Systems, International ... between a system that extracted knowledge from a manual on planning standards for Malaysia, and a system based on standard knowledge acquisition from an expert to deal with possible hazards in ... environmental field station near West Lafayette (Indiana) To manage landscape, Liu et al (1993) developed an early DSS at Virginia Polytechnic to manage landscape resources in national parks, and Cudlip...
  • 43
  • 446
  • 1
Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 6 docx

Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 6 docx

Ngày tải lên : 11/08/2014, 20:20
... landscape or conservation area makes it practically obligatory to investigate landscape and land-ecology impacts; location in an archaeological area or an urban conservation area or historic centre ... sensitive area (a National Park, an area of archaeological importance, etc.) should point in the direction of different types of impacts requiring study: • • • location in a natural landscape or ... disposal treatment Soil and land loss of agricultural land soil contamination 10 Landuse and planning plans and planning policies 11 Material assets and resources minerals buildings and property...
  • 30
  • 421
  • 0
Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 7 docx

Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 7 docx

Ngày tải lên : 11/08/2014, 20:20
... representative situation is measured by a long-term average (usually an annual average) of ground-level concentration of pollutants, and the worst peak by a short-term average (usually a hourly average, which ... international comparison of standards These averages are calculated automatically by the model, different values are estimated for different directions and distances (in an area within about ... apparent complications in the calculations are really used to adapt a complex theoretical framework necessary to understand sound propagation and perception so that it can be used in practical...
  • 45
  • 324
  • 0
Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 8 potx

Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 8 potx

Ngày tải lên : 11/08/2014, 20:20
... Impact assessment To assess the impact on the landscape baseline we have to go back to the basic distinction between landscape as a resource and landscape as visual amenity, as the two are assessed ... collect first-hand information (Figure 8.3) Standard sources for this initial area characterisation are: Figure 8.3 Area characterisation and ecological baseline © 2004 Agustin Rodriguez-Bachiller ... information about the area or the site, any published good-quality descriptive information, like smallscale maps or aerial photographs, is also an essential starting point Ecological impact assessment...
  • 38
  • 320
  • 0
Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 9 pps

Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 9 pps

Ngày tải lên : 11/08/2014, 20:20
... the Department of Employment Data Sources (e.g Labour Market Trends) that update and publish unemployment, vacancy and redundancy data on a monthly basis, and with a regional disaggregation For ... simulations at the local scale is not guaranteed Also, it is common that this type of project is intended to alleviate the local traffic situation (a bypass, a new road or rail link, a motorway) and ... Socio-economic and traffic impacts 307 Table 9.1 Trips per 100 m2 of floorspace Land uses Peak a. m Peak p.m Total daily each way Arrivals Offices Business parks Warehousing Industrial Retail parks Supermarkets...
  • 45
  • 328
  • 0
Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 10 potx

Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 10 potx

Ngày tải lên : 11/08/2014, 20:20
... catchment areas: • Water-catchment areas for surface water systems can be worked out with GIS using a Digital Terrain Model or a “surface” and basinanalysis functions available in sophisticated ... own standards and thresholds – variations in quantitative or qualitative aspects can affect the use of water: Variations in water quantity: (a) an increased quantity of water can increase the ... construction may reduce the area of a particular habitat, and so can the flooding from an increase in water quantity, just as a decrease in water quantity can expose the banks and the habitats in them...
  • 40
  • 429
  • 0
Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 12 (end) pot

Expert Systems and Geographical Information Systems for Impact Assessment - Chapter 12 (end) pot

Ngày tải lên : 11/08/2014, 20:20
... for landscape And the approach can also vary drastically: from the “fixed” area approach of many impacts (noise, landscape, etc.) to the “flexible” area-of-study approach typical of traffic and ... IA map base: the maps available, their names and contents, the items of information in each map and their names, etc This can take some considerable dialogue time, and can be a crucial drawback ... discussion, at least for that central part of the assessment The advantage of such an approach is that each impact type considered worth encapsulating in an expert system is programmed separately and all...
  • 14
  • 401
  • 0
Báo cáo y học: "Geographical information system and access to HIV testing, treatment and prevention of mother-to-child transmission in conflict affected Northern Uganda" pot

Báo cáo y học: "Geographical information system and access to HIV testing, treatment and prevention of mother-to-child transmission in conflict affected Northern Uganda" pot

Ngày tải lên : 13/08/2014, 13:21
... expertise is available The analysis of data and production of maps was also accomplished locally Training and complete data collection in this insecure and wide geographical area took less than month ... settings: a failure of imagination Lancet 2005, 365(9456):278-80 OCHA: Consolidated Appeal for Uganda, 2007 OCHA publication [http://ochaonline.un.org/humanitarianappeal/web page.asp?Page=1498] Accessed ... questionnaire collected camp geographical coordinates (longitudes, latitudes and altitudes), administrative location and division, population figures, availability of health facilities, and human resources...
  • 9
  • 349
  • 0
Báo cáo y học: " Mapping the potential distribution of high artemisinin-yielding Artemisia annua L. (Qinghao) in China with a geographic information system" ppsx

Báo cáo y học: " Mapping the potential distribution of high artemisinin-yielding Artemisia annua L. (Qinghao) in China with a geographic information system" ppsx

Ngày tải lên : 13/08/2014, 15:21
... Kumar S, Khanuja SPS, Kumar TRS, Jain DC, Srivastava S, Bhattacharya AK, Saikia D, Shasany AK, Darokar MP, Sharma RP: Method for the use of alpha arteether as an anti-bacterial and anti-fungal agent ... March; ATAP: average temperature in April; ATMA: average temperature in May; ATJ: average temperature in June; ATJU: average temperature in July; ATA: average temperature in August; AAT: average ... in January (°C) ATJA Average temperature in February (°C) ATF Average temperature in March (°C) ATM Average temperature in April (°C) ATAP Average temperature in May (°C) ATMA Average temperature...
  • 8
  • 342
  • 0
HỆ THỐNG THÔNG TIN ĐỊA LÝ GEOGRAPHICAL INFORMATION SYSTEM

HỆ THỐNG THÔNG TIN ĐỊA LÝ GEOGRAPHICAL INFORMATION SYSTEM

Ngày tải lên : 29/08/2015, 21:16
... polygon A, B, C, D c xỏc nh bi mt lot cỏc to XY A A A A A A A B B B A A A A A A B B B B A A A A A B B B B B A B A A A A B B B B B B A A A B B B B B B B A A C C C B B B B B C C C C C D D B B B C C C ... ARC/INFO, cú hai dng bng thng kờl bng thng kờ thuc tớnh ca cỏc polygon (polygon attribute table - PAT) v bng thng kờ thuc tớnh ca cỏc cung are attribute table AAT Bng bng thuc tớnh ca polygon PAT # - ... chnh theo vựng (area adjusted mean): = Z A A i i õy: Ai l vựng ca n v th i, v lch iu chnh theo vựng c tớnh nh sau: A ( Z ) = A i i i S hng tõm v phõn tỏn l cỏc thụng s c bn nht ca vic thng kờ...
  • 123
  • 1.5K
  • 5
Tài liệu Accounting Information Systems (AIS) and Knowledge Management: A Case Study pptx

Tài liệu Accounting Information Systems (AIS) and Knowledge Management: A Case Study pptx

Ngày tải lên : 17/02/2014, 09:20
... (or called Project Accountants) and head office such as the Financial Accountants, Management Accountants and Finance Manager are the internal users of the system Also, the management team that ... of Information in ZBMS Strategic Board of Director, Managing Director Tactical Chief Operating Officer, General Manager (Finance) Operational Finance Manager, Management Accountant, Financial Accountant, ... existing value of accountants AIS also provide information on both actual and budget data of the organisation that helps company’s management to plan and control business operation Good management...
  • 9
  • 633
  • 0
Tài liệu EFFORTS TO IMPLEMENT A FINANCIAL- MANAGEMENT INFORMATION SYSTEM IN IRAQ docx

Tài liệu EFFORTS TO IMPLEMENT A FINANCIAL- MANAGEMENT INFORMATION SYSTEM IN IRAQ docx

Ngày tải lên : 18/02/2014, 04:20
... storage, access, and reporting of financial data Manages purchases of goods and services Central Data Base Maintains transaction details and structural data e.g., Chart of Account Budget Manages ... budget preparation Accounts Payable Manages payments Cash Management Monitors cash position and analyzes cash flows Accounts Receivable Manages revenue Asset Management Maintains records of major government ... situation later In 2003, a team from the IMF advised the CPA and USAID against implementing an automated financial-management system before a formal requirements analysis was conducted The CPA and...
  • 41
  • 460
  • 1
Tài liệu Towards a conceptual reference model for project management information systems ppt

Tài liệu Towards a conceptual reference model for project management information systems ppt

Ngày tải lên : 18/02/2014, 07:20
... outlined above by introducing a very fundamental data structure called Initiative (Fig 3) An initiative is a generalization of any form of action that has a defined start and end date and is undertaken ... can ensure that all necessary approval steps are carried out before a project actually begins Each project plan can be archived as often as necessary by means of a plan version (PlanVersion) A ... Integration management Scope management Time management Cost management Quality management Human resource management Communications management Risk management Procurement management (Semi-)Formal...
  • 12
  • 720
  • 0
Tài liệu Management Information Systems A Synthesis of Transit Practice ppt

Tài liệu Management Information Systems A Synthesis of Transit Practice ppt

Ngày tải lên : 18/02/2014, 11:20
... fully relational database management systems, with a GUI in place for the client function and assume an active process of ensuring that appropriate data are made available across management activities ... MPAC Maintenance Management Information System for MARTA, The Systems Works, Inc., Atlanta, Georgia (March 1992) 16 Long-Range Information Systems Plan, Metropolitan Atlanta Rapid Transit Authority, ... reasonably easy to maintain and access A database management system should provide a structured query language (SQL) capability SQL provides an application-level standard method for data exchange...
  • 86
  • 1.2K
  • 0

Xem thêm