GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 1 potx

... this chapter is to understand the importance and scope of geographic information system (GIS) applications for water, wastewater, and storm- water systems. MAJOR TOPICS • Definition of GIS applications • ... models for water and sewer systems, watersheds, and floodplains. These applications are described in Chapter 11 (Modeling Applications) , Chapter 12...

Ngày tải lên: 11/08/2014, 13:22

... April 15 , 19 99. Popular satellite-based sensors and platforms include Landsat MSS and TM, AVHRR, AVIRIS, SPOT XS, GOES, SEASAT, SIR, RADARSAT, SRTM, TOPSAT, ERS -1 and 2, and JERS -1 (Luce, 20 01; ... imagery in 6-in., 1- ft, 2-ft, and 1- m resolutions. Kodak’s 24-bit color images exceed National Map Accuracy Standards’ accuracy requirement at 1: 1200. These products are in...

Ngày tải lên: 11/08/2014, 13:22

... in 7.5-min, 15 -min, 2-arc-sec (also known as 30-min), and 1 units. The 7. 5- and 15 -min DEMs are included in the large-scale category, whereas 2-arc-sec DEMs fall within the intermediate-scale ... Figure 4 .10 , Figure 4 .11 , and Figure 4 .12 show the DEM subbasins for cell thresholds of 10 0, 250, and 500. These figures also show the manual subbasins for comparison. It c...

Ngày tải lên: 11/08/2014, 13:22

... into 2D and 3D environ- ments. In July 20 01, ERDAS’s geographic-imaging software company was acquired by Leica Geosystems to form a new GIS and Mapping Division for growth in the GIS and remote ... systems are designed, constructed, oper- ated, and maintained. Representative GPS applications for the management of water, wastewater, and stormwater systems are:...

Ngày tải lên: 11/08/2014, 13:22

... SITES CHAPTER SUMMARY This chapter provided information on the GIS applications for serving water, wastewater, and stormwater system maps on the Internet. The Internet is the fastest growing and ... goals were: (1) integrating extensive and diverse data into one system, covering demographic, land-use and land-cover, infra- structure environmental, and natural resou...

Ngày tải lên: 11/08/2014, 13:22

... computing with wired and wireless communications, GIS, GPS, and remote sensing technologies (Karimi and Hammad, 2004). GIS lies at the heart of most mobile information resource systems. For example, ... areas: (1) field GIS software (e.g., ESRI’s ArcPad); (2) lightweight, reliable, and affordable field computing devices; (3) more accurate and affordable GPS receivers; and (4...

Ngày tải lên: 11/08/2014, 13:22

... CHAPTER 8 Mapping GIS provides powerful and cost-effective tools for creating intelligent maps for water, wastewater, and stormwater systems. A sewer system map created by GIS (Borough ... conversion applications like the water editing tool increase the speed, efficiency, and accuracy of data conversion for water, wastewater, and stormwater systems...

Ngày tải lên: 11/08/2014, 13:22

... application examples for wastewater systems • Mapping application examples for stormwater systems LIST OF CHAPTER ACRONYMS 2-DTwo Two-Dimensional 3-DThree Three-Dimensional COGO ... starting point for developing GIS applications: no maps, no applications. In this chapter we learned about some basic applications of GIS maps. Advanced applications will be p...

Ngày tải lên: 11/08/2014, 13:22

... selected by using GIS. 2 3 4 22 23 24 5 6 7 8 9 10 11 12 13 14 15 16 18 19 20 21 Ohio River 17 N 012 miles CSO Monitoring Sites 2 3 4 22 23 24 5 6 7 8 9 10 11 12 13 14 15 16 18 19 20 21 17 Legend ... ourselves with GIS applications in monitoring data for effective operation and management of water, wastewater, and stormwater systems. MAJO...

Ngày tải lên: 11/08/2014, 13:22

... technique is shown in Figure 11 .2 to Figure 11 .5. Figure 11 .2 shows the layers for subbasins and land use. Figure 11 .3 shows the layers for subbasins and HSGs. Figure 11 .4 shows the computed runoff ... Figure 11 .7 shows an ArcView 3.x screenshot for subbasin and land-use layers for a SWMM-based sewer system model. The land-use layer was prepared from classification of...

Ngày tải lên: 11/08/2014, 13:22