... water in nearly all landscapes — from small streams, lakes, and wetlands in headwater areas to major river valleys and seacoasts On a relatively large scale, characterization of water mass transfer ... source compliance as well In the case of lakes, estuaries, and coastal waters, some states specify the surface area that can be affected by the discharge The surface area limitation usually applies ... spatial scales and often change seasonally or in response to a climatic event Complex small-scale ßows can result from a variety of physical aspects and processes such as seasonally high surface...
Ngày tải lên: 11/08/2014, 12:21
... participation of crowded resource users meanwhile lack of clearly institutions management such as the master plan for management and exploitation of the lagoon’s resources was a main reason of ... livelihood Accordingly, their access to common property such as coastal/lagoon resources and its water surface area are substantially important However, the management of use rights and access to resources ... build of earth ponds, freely encroachment of water surfaces and performing of different calendar among households in aquaculture seasons As a result of unprofessional production, rate of failed...
Ngày tải lên: 14/03/2014, 15:20
Engineering of oligopeptide modified surface for metal ion adsorption and sensing applications
... sandwiched between a DMOAP-coated glass slide (on top) and a TEA-decorated glass slide (at bottom) patterned with a region of (a) 0.5 M of Na2CO3, (b) 0.5 M of (NH4)2CO3, Each surface was washed five ... Park et al reported a LC-based sensor to monitor the protease activity of trypsin acting on an oligopeptide substrate (Ser-Asn-Lys-Tyr-Arg-Ile-Asp-Glu-AlaAsn-Asn-Lys-Ala-Tyr-Lys-Met-Leu) (Park ... Optical textures (under crossed polars) of 5CB sandwiched between two DMOAP-coated glass slides One of the DMOAP-coated glass slide was also functionalized with TEA and decorated with (a) a P1...
Ngày tải lên: 12/09/2015, 10:22
Tài liệu Conditions of the surface water and ground water resources in the rural area of the Mekong Delta, Vietnam pptx
... performing an ion-balance according to (DVWK, 1992) Also, data on surface water and ground water quality, climatic data and data on ground water levels was collected and evaluated for the surrounding area ... characterized by an agricultural land use with farms, mainly cropping rice and fruits Some of the farms maintain small animal husbandries and fishponds Surface water, rain water and ground water are used ... Binh can be rated as a alkaline-earth water with higher alkaline content with a predominantly hydrogen carbonatic content whereas in Hoa An there is alkaline ground water with a predominantly chloridic...
Ngày tải lên: 16/01/2014, 17:20
Ground Water and Surface Water A Single Resource-U.S. Geological Survey Circular 1139 pot
... COASTAL TERRAIN Coastal terrain, such as that along the eastcentral and southern coasts of the United States, extends from inland scarps and terraces to the ocean (area C of the conceptual landscape, ... calculate ground-water age in different parts of a drainage basin 222 Radon is a chemically inert, radioactive gas that has a half-life of only 3.83 days It is produced naturally in ground water ... movement of water above, on, and below the surface of the Earth The water on the Earth’s surface—surface water—occurs as streams, lakes, and wetlands, as well as bays and oceans Surface water also...
Ngày tải lên: 06/03/2014, 15:21
Hydraulic modeling of open channel flows over an arbitrary 3-d surface and its applications in amenity hydraulic engineering
... curvilinear coordinate on an arbitrary 3-D surface Based on their characteristics, one model can be classified as a combination of the above sub-classes as follows: Unsteady 2D model for open channel ... to analysis of water surface profile of flows in Amenity Hydraulic Structures A general mathematical model based on a new coordinate system attached to 3D arbitrary bottom surface with an axis ... physical models (Anwar et al 1978; Jain et al 1978; Yildirim and Kocabas 1995; Yildirim and Kocabas 1997; Yildirim and Kocabas 1998) Many analytical attempts have been presented in the literature...
Ngày tải lên: 06/11/2012, 10:35
Ground Water Pollution and Emerging Environmental Challenges of Industrial Effluent Irrigation: A Case Study of Mettupalayam Taluk, Tamilnadu pptx
... various parts of the country (Tiruppur, Vellore – Tamilnadu; Vapi, Vadora – Gujarat; Thane, Belapur – Maharashtra; Patancheru, Pashamylaram, Bollarum, Kazipally – Andhra Pradesh; Ludhiana, Jalandhar, ... Description of Study Area and Industrial Profile of Mettupalayam Taluk Most of the major water consuming and polluting industries, located in Thekkampatty and Jadayampalayam village of Mettupalayam taluk ... Thekkampatti and Jadayampalayam village In the case of Sirumugai, perhaps the residual pollution from the pulp and viscose rayon plant’s irrigated area has affected the aquifers, which has affected...
Ngày tải lên: 06/03/2014, 15:21
Simulation of Ground-Water Flow and Evaluation of Water-Management Alternatives in the Assabet River Basin, Eastern Massachusetts pptx
... Alternatives in the Assabet River Basin, Eastern MA Table Drainage-area characteristics and mean annual flows at streamflow-gaging stations in and near the Assabet River Basin, eastern Massachusetts ... withdrawals and wastewater discharges in the Assabet River Basin, eastern Massachusetts 29 Simulation of Ground-Water Flow and Evaluation of Water-Management Alternatives in the Assabet River Basin, Eastern ... Flow and Evaluation of Water-Management Alternatives in the Assabet River Basin, Eastern MA Table Permitted water-supply withdrawals and wastewater discharges in the Assabet River Basin, eastern...
Ngày tải lên: 17/03/2014, 15:20
City clusters in China: air and surface water pollution ppt
... Urbanization in China has occurred most rapidly in the coastal areas, due to the stronger economic base and more developed infrastructure, as well as the greater abundance of natural resources As ... even greater rate of urbanization Population in urban areas has already increased from 20.0% of the total population in 1980 to 36.1% in 2000 (National Bureau of Statistics 200 1a) , and reached ... systems than 1000 m3 per capita is classified as a water shortage Water resources in the Hai-Luan watershed storage reservoirs and levees has resulted in a variable degree group are as low as 245...
Ngày tải lên: 23/03/2014, 00:20
WATER RESOURCES MANAGEMENT AND MODELING pptx
... them a qualitative label – based on information on various predictor or classification variables (Kachigan, 1992) The gauge station dataset was assigned a qualitative variable based on which major ... Barren (quarry areas, barren transitional areas) Wetland (emergent and woody wetlands) The classes are associated with expected loadings based on the acreage size of the class The loadings are ... 1600.00 drainage area sq miles Fig Annual stream flow from gauged stations and drainage area at the gauges Since drainage area is already calculated for each stream cell location, this equation incorporated...
Ngày tải lên: 28/06/2014, 15:20
GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 1 potx
... of Chapter Acronyms Monitoring Real Time Rainfall and Stream-Flow Data in Aurora Monitoring Basics Remotely Sensed Rainfall Data Satellite Rainfall Data Radar Rainfall Data NEXRAD Rainfall Data ... History of GIS Applications 4M Applications Advantages and Disadvantages of GIS Applications Advantages GIS Applications Save Time and Money GIS Applications Are Critical to Sustaining GIS Departments ... Major Topics List of Chapter Acronyms Hampton’s Wastewater Maintenance Management Infrastructure Problem AM/FM/GIS Basics Automated Mapping (AM) Facilities Management (FM) Automated Mapping (AM)/Facilities...
Ngày tải lên: 11/08/2014, 13:22
GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 3 docx
... capabilities of IMAGINE Essentials and IMAGINE Advantage and adds radar analysis and advanced classification tools like the IMAGINE Expert Classifier It also includes graphical spatial data modeling, an advanced ... are the most valuable source of free local spatial data For example, Pennsylvania Spatial Data Access system (PASDA), Pennsylvania’s of cial geospatial information clearinghouse and Pennsylvania’s ... parameters interactively during flight Radar imagery from satellites and aircraft has become a significant tool for a wide range of remote sensing applications Data from sources such as RADARSAT,...
Ngày tải lên: 11/08/2014, 13:22
GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 4 docx
... efficacy of DEM-based automatic delineation of watershed subbasins and streams It was assumed that manual delineations are more accurate than DEM delineations Thus, a comparison of manual and ... source of free local spatial data For example, the Pennsylvania Spatial Data Access system (PASDA), Pennsylvania's of cial geospatial information clearinghouse and its node on the National Spatial ... text Spatial Analyst and Hydro Extension Spatial Analyst is an optional extension (separately purchased add-on program) for ESRI’s ArcView 3.x and ArcGIS 8.x software packages The Spatial Analyst...
Ngày tải lên: 11/08/2014, 13:22
GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 5 pptx
... equipment and software is presented GPS accuracy issues are also discussed GPS BASICS GPS, also referred to as Navigation System by Timing and Ranging (NAVSTAR), is a satellite-based radio navigation ... receivers SA removal has also increased the accuracy of GPS receivers operating in an autonomous (unassisted) mode without a base station No significant impact has been noted in the performance of survey ... provide data in a GIS-compatible format, such as the ESRI Shapefile format Attributes are usually collected in two phases: Initial attribution phase (Phase I) or first pass: Limited attributes can be...
Ngày tải lên: 11/08/2014, 13:22
GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 6 ppt
... Drawing Exchange Format PDA Personal Digital Assistant RDBMS Relational Database Management System WWW World Wide Web DUBLIN’S WEB MAP Application GIS software GIS data Study area Web-based mapping ... subsections Tacoma’s Intranet and Mobile GIS Application GIS software Other software Hardware GIS data Study area Organization Intranet and Wireless GIS AutoCAD, AutoCAD Map, MapGuide, and GE Smallworld ... or reading microfiche (Teo, 2001) Montana’s Watershed Data Information Management System Application GIS software Organization GIS-based watershed data management system ArcView Montana Department...
Ngày tải lên: 11/08/2014, 13:22
GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 7 docx
... field data back to the parent software in an of ce for automatic validation and delivery to the target system at the end of each inspection day Intergraph’s IntelliWhere OnDemand vector-based mapping ... that field crews are accustomed to using The main advantage of a mobile GIS is that it eliminates postprocessing of paper data in the of ce Mobile GIS is the result of advances in four key areas: ... phones (a combination of a PDA and a cell phone) Due to their small screen; limited memory, storage, processing speed, and battery life; and lack of a keyboard for field data entry, PDAs may not...
Ngày tải lên: 11/08/2014, 13:22
GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 8 ppsx
... each with an associated data value Many complex spatial analyses, such as automatic land-use change detection, require raster maps Raster maps are also commonly used as base maps (described later ... features and attributes in the same file Incorporating spatial data with attribute data in a relational database provides a platform for efficient management of huge data resources, as well as fast ... aerial photos Postprocessing of captured data is warranted if the source maps and the base map have different accuracy, and captured data not align with the base map In this case, captured data...
Ngày tải lên: 11/08/2014, 13:22
GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 9 docx
... applications are limited In most cases, mapmaking alone cannot justify the continued financial support for a GIS department GIS maps and associated databases can be manipulated in a variety of ways ... component of this application was the development of a Map Maintenance Application (MMA), which is an update developed using ArcInfo and Oracle It allows simultaneous maintenance of water system layers ... from a selected location on a surface, and create a realistic perspective image draping raster and vector data over a surface The figure on the first page of this chapter shows a 3D map of a sewer...
Ngày tải lên: 11/08/2014, 13:22
GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 10 pps
... example, real time or near-real time rainfall data can be used in a raster GIS to estimate the subbasin mean aerial rainfall Real time subbasin rainfall data can be used to estimate real time surface ... km size each The rainfall data are captured every 15 and downloaded to a database The grid is joined with the rainfall database, which allows quantification of impacts of individual rainfall events ... remote real time data-collection database The Utilities Department was able to access and analyze both historical and current real time rainfall and streamflow data from an easy-to-use graphical interface...
Ngày tải lên: 11/08/2014, 13:22
GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 11 ppsx
... used to map and visualize contributing areas around a stream channel During each calculation of the discharge, a graphical image of the watershed and contributing areas was captured as a Graphics ... such as area, overland flow width, and slope If subbasins are represented as polygons, GIS can automatically calculate the area as a layer attribute Overland flow width can be measured interactively ... modeling BASINS 3.0 is the latest (year 2001) release at the time of this writing This release includes additional functional capabilities as well as an updated and expanded set of national data layers...
Ngày tải lên: 11/08/2014, 13:22