{"id":77345,"date":"2010-09-13T14:29:54","date_gmt":"2010-09-13T14:29:54","guid":{"rendered":"https:\/\/zonda-develop.go-vip.net\/concrete-construction\/article\/web-extras-9-1-2010_o"},"modified":"2010-09-13T14:29:54","modified_gmt":"2010-09-13T14:29:54","slug":"web-extras-9-1-2010_o","status":"publish","type":"post","link":"https:\/\/zonda-develop.go-vip.net\/concrete-construction\/projects\/infrastructure\/web-extras-9-1-2010_o\/","title":{"rendered":"Web Extras 9\/1\/2010"},"content":{"rendered":"\n\n<div class=\"image-carousel\"\n\trole=\"region\"\n\taria-roledescription=\"carousel\"\n\taria-label=\"Image carousel\"\n\tdata-total-slides=\"5\"\n\t>\n\n\t<div class=\"image-carousel-top\">\n\t\t\n\t\t<div class=\"carousel-counter\">\n\t\t\t<span class=\"current-index\">1<\/span>\n\t\t\tof\t\t\t<span class=\"total-count\">5<\/span>\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"image-carousel__hero-wrapper\">\n\t\t<button class=\"carousel-prev\"\n\t\t\t\taria-label=\"Previous slide\"\n\t\t\t\ttype=\"button\">\n\t\t\t<span class=\"icon\" aria-hidden=\"true\"><\/span>\n\t\t<\/button>\n\n\t\t<div class=\"carousel-main\" aria-live=\"polite\">\n\t\t\t\t\t\t\t<div class=\"carousel-slide active\"\n\t\t\t\t\tid=\"carousel-slide-0\"\n\t\t\t\t\trole=\"tabpanel\"\n\t\t\t\t\taria-roledescription=\"slide\"\n\t\t\t\t\t\t\t\t\t\taria-label=\"Slide 1 of 5\"\n\t\t\t\t\taria-hidden=\"false\">\n\n\t\t\t\t\t\t\t\t\t\t\t<!-- Load the first image immediately at full size -->\n\t\t\t\t\t\t<img\n\t\t\t\t\t\t\tsrc=\"https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe39-2etmp-tcm111-1350356.jpg?w=100\"\n\t\t\t\t\t\t\tsrcset=\"\"\n\t\t\t\t\t\t\tsizes=\"(max-width: 100px) 100vw, 100px\"\n\t\t\t\t\t\t\talt=\"\"\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"carousel-slide hidden\"\n\t\t\t\t\tid=\"carousel-slide-1\"\n\t\t\t\t\trole=\"tabpanel\"\n\t\t\t\t\taria-roledescription=\"slide\"\n\t\t\t\t\t\t\t\t\t\taria-label=\"Slide 2 of 5\"\n\t\t\t\t\taria-hidden=\"true\">\n\n\t\t\t\t\t\t\t\t\t\t\t<!-- Lazy load other main images with data-src to be loaded only when needed -->\n\t\t\t\t\t\t<img\n\t\t\t\t\t\t\tsrc=\"https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3a-2etmp-tcm111-1350357.jpg?w=475\"\n\t\t\t\t\t\t\tsrcset=\"https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3a-2etmp-tcm111-1350357.jpg 475w, https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3a-2etmp-tcm111-1350357.jpg?resize=300,188 300w, https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3a-2etmp-tcm111-1350357.jpg?resize=283,177 283w, https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3a-2etmp-tcm111-1350357.jpg?resize=182,114 182w, https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3a-2etmp-tcm111-1350357.jpg?resize=210,131 210w, https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3a-2etmp-tcm111-1350357.jpg?resize=360,225 360w\"\n\t\t\t\t\t\t\tsizes=\"(max-width: 475px) 100vw, 475px\"\n\t\t\t\t\t\t\talt=\"\"\n\t\t\t\t\t\t\tclass=\"lazy-load-image\"\n\t\t\t\t\t\t\tloading=\"lazy\"\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"carousel-slide hidden\"\n\t\t\t\t\tid=\"carousel-slide-2\"\n\t\t\t\t\trole=\"tabpanel\"\n\t\t\t\t\taria-roledescription=\"slide\"\n\t\t\t\t\t\t\t\t\t\taria-label=\"Slide 3 of 5\"\n\t\t\t\t\taria-hidden=\"true\">\n\n\t\t\t\t\t\t\t\t\t\t\t<!-- Lazy load other main images with data-src to be loaded only when needed -->\n\t\t\t\t\t\t<img\n\t\t\t\t\t\t\tsrc=\"https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3b-2etmp-tcm111-1350358.jpg?w=300\"\n\t\t\t\t\t\t\tsrcset=\"https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3b-2etmp-tcm111-1350358.jpg 300w, https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3b-2etmp-tcm111-1350358.jpg?resize=254,177 254w, https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3b-2etmp-tcm111-1350358.jpg?resize=164,114 164w, https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3b-2etmp-tcm111-1350358.jpg?resize=188,131 188w\"\n\t\t\t\t\t\t\tsizes=\"(max-width: 300px) 100vw, 300px\"\n\t\t\t\t\t\t\talt=\"This photo represents existing AutoCAD data of parking lot islands delineated using as-built drawings.\"\n\t\t\t\t\t\t\tclass=\"lazy-load-image\"\n\t\t\t\t\t\t\tloading=\"lazy\"\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata-caption=\"This photo represents existing AutoCAD data of parking lot islands delineated using as-built drawings.\"\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"carousel-slide hidden\"\n\t\t\t\t\tid=\"carousel-slide-3\"\n\t\t\t\t\trole=\"tabpanel\"\n\t\t\t\t\taria-roledescription=\"slide\"\n\t\t\t\t\t\t\t\t\t\taria-label=\"Slide 4 of 5\"\n\t\t\t\t\taria-hidden=\"true\">\n\n\t\t\t\t\t\t\t\t\t\t\t<!-- Lazy load other main images with data-src to be loaded only when needed -->\n\t\t\t\t\t\t<img\n\t\t\t\t\t\t\tsrc=\"https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3c-2etmp-tcm111-1350360.jpg?w=300\"\n\t\t\t\t\t\t\tsrcset=\"https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3c-2etmp-tcm111-1350360.jpg 300w, https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3c-2etmp-tcm111-1350360.jpg?resize=254,177 254w, https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3c-2etmp-tcm111-1350360.jpg?resize=164,114 164w, https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3c-2etmp-tcm111-1350360.jpg?resize=188,131 188w\"\n\t\t\t\t\t\t\tsizes=\"(max-width: 300px) 100vw, 300px\"\n\t\t\t\t\t\t\talt=\"This photo shows new impervious surfaces delineated using remote-sensing techniques (digital orthoimagery and LiDAR data). Conclusion: Far fewer impervious islands exist than originally thought.\"\n\t\t\t\t\t\t\tclass=\"lazy-load-image\"\n\t\t\t\t\t\t\tloading=\"lazy\"\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata-caption=\"This photo shows new impervious surfaces delineated using remote-sensing techniques (digital orthoimagery and LiDAR data). Conclusion: Far fewer impervious islands exist than originally thought.\"\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"carousel-slide hidden\"\n\t\t\t\t\tid=\"carousel-slide-4\"\n\t\t\t\t\trole=\"tabpanel\"\n\t\t\t\t\taria-roledescription=\"slide\"\n\t\t\t\t\t\t\t\t\t\taria-label=\"Slide 5 of 5\"\n\t\t\t\t\taria-hidden=\"true\">\n\n\t\t\t\t\t\t\t\t\t\t\t<!-- Lazy load other main images with data-src to be loaded only when needed -->\n\t\t\t\t\t\t<img\n\t\t\t\t\t\t\tsrc=\"https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe38-2etmp-tcm111-1350355.jpg?w=209\"\n\t\t\t\t\t\t\tsrcset=\"https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe38-2etmp-tcm111-1350355.jpg 209w, https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe38-2etmp-tcm111-1350355.jpg?resize=202,114 202w\"\n\t\t\t\t\t\t\tsizes=\"(max-width: 209px) 100vw, 209px\"\n\t\t\t\t\t\t\talt=\"\"\n\t\t\t\t\t\t\tclass=\"lazy-load-image\"\n\t\t\t\t\t\t\tloading=\"lazy\"\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t<button class=\"carousel-next\"\n\t\t\t\taria-label=\"Next slide\"\n\t\t\t\ttype=\"button\">\n\t\t\t<span class=\"icon\" aria-hidden=\"true\"><\/span>\n\t\t<\/button>\n\t<\/div>\n\n\t<div class=\"carousel-captions-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"carousel-caption hidden\"\n\t\t\t\t\tid=\"carousel-caption-2\">\n\t\t\t\t\t<div class=\"carousel-caption__inner\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"image-caption\" data-full-caption=\"This photo represents existing AutoCAD data of parking lot islands delineated using as-built drawings.\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"caption-preview\">\n\t\t\t\t\t\t\t\t\tThis photo represents existing AutoCAD data of parking lot islan&#8230;\n\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<button type=\"button\" class=\"read-more-toggle\"\n\t\t\t\t\t\t\t\t\t\t\taria-expanded=\"false\"\n\t\t\t\t\t\t\t\t\t\t\taria-controls=\"caption-full-2\">\n\t\t\t\t\t\t\t\t\t\tRead More\t\t\t\t\t\t\t\t\t<\/button>\n\t\t\t\t\t\t\t\t\t<span id=\"caption-full-2\" class=\"full-caption hidden\">\n\t\t\t\t\t\t\t\t\t\tThis photo represents existing AutoCAD data of parking lot islands delineated using as-built drawings.\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"carousel-caption hidden\"\n\t\t\t\t\tid=\"carousel-caption-3\">\n\t\t\t\t\t<div class=\"carousel-caption__inner\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"image-caption\" data-full-caption=\"This photo shows new impervious surfaces delineated using remote-sensing techniques (digital orthoimagery and LiDAR data). Conclusion: Far fewer impervious islands exist than originally thought.\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"caption-preview\">\n\t\t\t\t\t\t\t\t\tThis photo shows new impervious surfaces delineated using remote&#8230;\n\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<button type=\"button\" class=\"read-more-toggle\"\n\t\t\t\t\t\t\t\t\t\t\taria-expanded=\"false\"\n\t\t\t\t\t\t\t\t\t\t\taria-controls=\"caption-full-3\">\n\t\t\t\t\t\t\t\t\t\tRead More\t\t\t\t\t\t\t\t\t<\/button>\n\t\t\t\t\t\t\t\t\t<span id=\"caption-full-3\" class=\"full-caption hidden\">\n\t\t\t\t\t\t\t\t\t\tThis photo shows new impervious surfaces delineated using remote-sensing techniques (digital orthoimagery and LiDAR data). Conclusion: Far fewer impervious islands exist than originally thought.\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t<div class=\"carousel-thumbnails-wrapper\" role=\"tablist\" aria-label=\"Thumbnail navigation\">\n\t\t<div class=\"carousel-thumbnails\">\n\t\t\t\t\t\t\t<button class=\"thumbnail-wrapper active\"\n\t\t\t\t\t\tdata-index=\"0\"\n\t\t\t\t\t\t\t\t\t\t\taria-label=\"Go to slide 1\"\n\t\t\t\t\t\taria-controls=\"carousel-slide-1\"\n\t\t\t\t\t\taria-selected=\"true\"\n\t\t\t\t\t\ttype=\"button\"\n\t\t\t\t\t\trole=\"tab\"\n\t\t\t\t>\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe39-2etmp-tcm111-1350356.jpg?w=100&#038;h=75&#038;crop=1\"\n\t\t\t\t\t\taria-hidden=\"true\"\n\t\t\t\t\t\talt=\"\"\n\t\t\t\t\t\tclass=\"thumbnail\">\n\t\t\t\t<\/button>\n\t\t\t\t\t\t\t<button class=\"thumbnail-wrapper \"\n\t\t\t\t\t\tdata-index=\"1\"\n\t\t\t\t\t\t\t\t\t\t\taria-label=\"Go to slide 2\"\n\t\t\t\t\t\taria-controls=\"carousel-slide-2\"\n\t\t\t\t\t\taria-selected=\"false\"\n\t\t\t\t\t\ttype=\"button\"\n\t\t\t\t\t\trole=\"tab\"\n\t\t\t\t>\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3a-2etmp-tcm111-1350357.jpg?w=150&#038;h=150&#038;crop=1\"\n\t\t\t\t\t\taria-hidden=\"true\"\n\t\t\t\t\t\talt=\"\"\n\t\t\t\t\t\tclass=\"thumbnail\">\n\t\t\t\t<\/button>\n\t\t\t\t\t\t\t<button class=\"thumbnail-wrapper \"\n\t\t\t\t\t\tdata-index=\"2\"\n\t\t\t\t\t\t\t\t\t\t\taria-label=\"Go to slide 3\"\n\t\t\t\t\t\taria-controls=\"carousel-slide-3\"\n\t\t\t\t\t\taria-selected=\"false\"\n\t\t\t\t\t\ttype=\"button\"\n\t\t\t\t\t\trole=\"tab\"\n\t\t\t\t>\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3b-2etmp-tcm111-1350358.jpg?w=150&#038;h=150&#038;crop=1\"\n\t\t\t\t\t\taria-hidden=\"true\"\n\t\t\t\t\t\talt=\"\"\n\t\t\t\t\t\tclass=\"thumbnail\">\n\t\t\t\t<\/button>\n\t\t\t\t\t\t\t<button class=\"thumbnail-wrapper \"\n\t\t\t\t\t\tdata-index=\"3\"\n\t\t\t\t\t\t\t\t\t\t\taria-label=\"Go to slide 4\"\n\t\t\t\t\t\taria-controls=\"carousel-slide-4\"\n\t\t\t\t\t\taria-selected=\"false\"\n\t\t\t\t\t\ttype=\"button\"\n\t\t\t\t\t\trole=\"tab\"\n\t\t\t\t>\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe3c-2etmp-tcm111-1350360.jpg?w=150&#038;h=150&#038;crop=1\"\n\t\t\t\t\t\taria-hidden=\"true\"\n\t\t\t\t\t\talt=\"\"\n\t\t\t\t\t\tclass=\"thumbnail\">\n\t\t\t\t<\/button>\n\t\t\t\t\t\t\t<button class=\"thumbnail-wrapper \"\n\t\t\t\t\t\tdata-index=\"4\"\n\t\t\t\t\t\t\t\t\t\t\taria-label=\"Go to slide 5\"\n\t\t\t\t\t\taria-controls=\"carousel-slide-5\"\n\t\t\t\t\t\taria-selected=\"false\"\n\t\t\t\t\t\ttype=\"button\"\n\t\t\t\t\t\trole=\"tab\"\n\t\t\t\t>\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/zonda-develop.go-vip.net\/concrete-construction\/wp-content\/uploads\/sites\/10\/2025\/06\/tmpe38-2etmp-tcm111-1350355.jpg?w=150&#038;h=117&#038;crop=1\"\n\t\t\t\t\t\taria-hidden=\"true\"\n\t\t\t\t\t\talt=\"\"\n\t\t\t\t\t\tclass=\"thumbnail\">\n\t\t\t\t<\/button>\n\t\t\t\t\t<\/div>\n\t<\/div>\n\n\t<\/div>\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\"> <p class=\"wp-block-paragraph\"><a href=\"http:\/\/pwmag.com\/industry-news.asp?sectionID=0&#038;articleID=544921\" target=\"_blank\"><\/a><\/p> <p class=\"wp-block-paragraph\"> <\/p> <p class=\"wp-block-paragraph\"> <\/p> <p class=\"wp-block-paragraph\"> <\/p> <p class=\"wp-block-paragraph\"> <\/p><p class=\"wp-block-paragraph\"><br> <\/p> <hr> <p class=\"wp-block-paragraph\"><b>Click here for this month&#8217;s Web extras<\/b>:<\/p> <p class=\"wp-block-paragraph\"><a href=\"#Surveying&#038;mapping\" target=\"_blank\">Truth in stormwater billing<\/a><\/p> <p class=\"wp-block-paragraph\"><a href=\"#Landfilloperation&#038;closure\">Where credit is due<\/a><\/p> <p class=\"wp-block-paragraph\"><a href=\"#Erosioncontrol\">Nature&#8217;s way<\/a><\/p> <p class=\"wp-block-paragraph\"><a href=\"\" target=\"_blank\"><\/a><\/p><p class=\"wp-block-paragraph\"><a href=\"http:\/\/pwmag.com\/industry-news.asp?sectionID=760&#038;articleID=1311388\" target=\"_blank\">Click here for the ADA corner <br> with Michelle S. Ohmes<\/a> <\/p> <a href=\"http:\/\/www.pwmag.com\/industry-news.asp?articleID=544922&#038;sectionID=767\" target=\"_blank\"><p class=\"wp-block-paragraph\"><\/p><p class=\"wp-block-paragraph\"><\/p><p class=\"wp-block-paragraph\"><\/p><p class=\"wp-block-paragraph\"><\/p><\/a> <hr> <p class=\"wp-block-paragraph\"><a name=\"Surveying&#038;mapping\" target=\"_blank\"><b> Surveying &#038; mapping<\/b><br><span >Truth in stormwater billing<\/span><\/a><br><i>Combining 3D lidar with 2D orthophotography produces the most accurate measurement of impervious surfaces. <\/i><\/p> <p class=\"wp-block-paragraph\"><b>A fly-by of the ISM process<\/b><br><i>Woolpert&#8217;s new impervious surface mapping (ISM) process requires little involvement from your staff. But a solid understanding of how the process works helps to interpret the new mapping data sets and better interpret results. <\/i><\/p> <p class=\"wp-block-paragraph\"><b>Step one: data capture<\/b><\/p> <p class=\"wp-block-paragraph\">Light detection and ranging (LiDAR) is a remote-sensing technology that uses pulses from an aerial laser-scanning unit to create digital surface models (DSMs). Regardless of elevation and intensity (or density of objects), objects between the LiDAR instrument and the surface itself are captured by the instrument as multiple x, y, z coordinate points. Unlike traditional digital orthoimagery, where tree canopies, structures, and areas of shadow obscure the surface beneath, these models represent a depiction of the surface that was previously unachievable. The laser-based dataset represents only half of the data needed to perform a detailed analysis. (<a href=\"http:\/\/pwmag.com\/industry-news.asp?sectionID=760&#038;articleID=1383919\" target=\"_blank\">See the table<\/a>.) <\/p> <p class=\"wp-block-paragraph\">The other critical piece of data required to perform automated feature extraction is digital aerial orthoimagery of the target area. For this process, digital orthoimagery is created in 16 bit for maximum granularity, and is also divisible into a wide range of spectral channels (pan, red, green, blue, near infra-red, true color, and color infrared). <\/p> <p class=\"wp-block-paragraph\">Traditional orthoimagery is created as 8-bit imagery, meaning that each color band has values between zero and 255. Imagery with 16-bit detail has color values ranging from zero to 65,536. While humans cannot see imagery in 16-bit detail, computer systems running remote-sensing software can recognize the subtle differences between the color bands, thus allowing for the additional delineation of ground features.<\/p> <p class=\"wp-block-paragraph\">To create composites of the two different types of data sources, digital orthoimagery is fused with LiDAR datasets to create datasets necessary for classifying every measurable surface within the target area. The near-infrared band contained within the digital orthoimagery is especially useful when delineating characteristics for ISM purposes, <a href=\"http:\/\/pwmag.com\/images\/Eastland_Mall_CIR.jpg\" target=\"_blank\">such as delineating vegetation from nonvegetation areas<\/a>.<\/p> <p class=\"wp-block-paragraph\"><b>Step two: analysis and segmentation <\/b><\/p> <p class=\"wp-block-paragraph\">Woolpert employs an object-oriented software program (OOSP) that combines the digital orthoimagery and LiDAR datasets to perform automated feature extraction. Compared to previous methods where &#8220;heads-up&#8221; digitizing of 2D\/3D drawings was subject to human error, this step relies on the software (i.e., automation) to perform its analysis. <a href=\"http:\/\/pwmag.com\/images\/Eastland_Mall_Segmentation.jpg\" target=\"_blank\">Polygonal segmentation renderings based on pixel groupings with similar values are generated to classify distinct characteristics in the surface<\/a>.<\/p> <p class=\"wp-block-paragraph\">Before segmentation is performed, rule sets are developed and defined based upon what type of feature is to be extracted and what type of terrain\/land cover (i.e., rural or urban) exists within the project area. In this case, remote-sensing specialists used this process to apply multiple rule sets to identify the impervious surface features of the Columbus, Ohio, stormwater service area.<\/p> <p class=\"wp-block-paragraph\"><b>Step three: data delivery <\/b><\/p> <p class=\"wp-block-paragraph\">The spectral analysis of the orthoimagery and the geospatial location are fused with the intensity and patterning in the LiDAR to create a polygonal segmentation. This enables multiple options for data creation and delivery. As shown in these parking lot photos, the data from the original AutoCAD files (right) differ greatly from the imagery based on LiDAR data (left).<\/p> <hr><p class=\"wp-block-paragraph\"><a name=\"Landfilloperation&#038;closure\" target=\"_blank\"><b> Landfill operation &#038; closure<\/b><br><span >Where credit is due<\/span><\/a> <br> <i>How landfill owners can engage the greenhouse gas market.<\/i> <\/p> <p class=\"wp-block-paragraph\"><b>How to engage the GHG marketplace<\/b><\/p> <p class=\"wp-block-paragraph\">If you&#8217;re a landfill owner involved in a greenhouse gas (GHG) project, how should you proceed to engage the market? Here are some suggested steps:<\/p> <p class=\"wp-block-paragraph\">1. Review relevant GHG programs regarding eligibility requirements and evaluate the possible eligibility of your landfill.<\/p> <p class=\"wp-block-paragraph\">2. Read more articles and recent conference proceedings, such as <a href=\"http:\/\/www.epa.gov\/lmop\/workshops\/13th.html\" target=\"_blank\">http:\/\/www.epa.gov\/lmop\/workshops\/13th.html<\/a>. Also check guidance documents on <a href=\"http:\/\/www.climateactionreserve.org\" target=\"_blank\">Climate Action Reserve<\/a> and <a href=\"http:\/\/www.v-c-s.org\" target=\"_blank\">Voluntary Carbon Standard<\/a>.<\/p> <p class=\"wp-block-paragraph\">3. Engage a landfill gas consultant to learn about project development options and conduct a preliminary study to quantify GHG potential via landfill gas modeling and costs needed to implement a GHG reduction project. Some landfill gas consultants include <a href=\"http:\/\/www.scsengineers.com\" target=\"_blank\">SCS Engineers<\/a> and <a href=\"http:\/\/www.qedenv.com\" target=\"_blank\">QED Environmental Systems<\/a>.<\/p> <p class=\"wp-block-paragraph\">4. Discuss your project with a GHG developer to gauge interest in investment or partnering.<\/p> <p class=\"wp-block-paragraph\">5. Discuss allowable approaches to GHG sales with your procurement or legal departments.<\/p> <p class=\"wp-block-paragraph\">6. Based on available options, prepare a request for proposal or similar solicitation to invite proposals.<\/p> <hr><p class=\"wp-block-paragraph\"><a name=\"erosioncontrol\" target=\"_blank\"><b> Erosion control<\/b><br><span >Nature&#8217;s way<\/span><\/a> <br> <i>Compost reduces soil loss, pollutant levels, and runoff more than other erosion-control methods.<\/i> <\/p> <p class=\"wp-block-paragraph\">Britt Faucette, Ph.D., CPESC, LEED AP, of <a href=\"http:\/\/www.filtrexx.com\" target=\"_blank\">Filtrexx Land Improvement Systems<\/a> analyzed research conducted by several universities to see how well compost erosion control blankets manage stormwater runoff rates, pollutant levels, and soil erosion compared to other ways of controlling erosion.<\/p> <p class=\"wp-block-paragraph\">An abstract of his conclusions is <a href=\"https:\/\/www.agronomy.org\/publications\/jeq\/abstracts\/38\/3\/1248\" target=\"_blank\">available here<\/a>.<\/p> <p class=\"wp-block-paragraph\">The full text of &#8220;Large-Scale Performance and Design for Construction Activity Erosion Control Best Management Practices&#8221; is available for $10 through the <a href=\"https:\/\/www.agronomy.org\/publications\/jeq\" target=\"_blank\">Journal of Environmental Quality<\/a> until Nov. 1, 2010; after that date it can be downloaded for free. <\/p> <hr> <h3 class=\"wp-block-heading\"><b><a href=\"http:\/\/www.pwmag.com\/industry-news.asp?articleID=544922&#038;sectionID=767\" target=\"_blank\">CLICK HERE FOR BACK ISSUES<\/a><\/b><\/h3><\/div> ","protected":false},"excerpt":{"rendered":"<p>Click here for this month&#8217;s Web extras: Truth in stormwater billing Where credit is due Nature&#8217;s way Click here for the ADA corner with Michelle S. Ohmes Surveying &#038; mappingTruth in stormwater billingCombining 3D lidar with 2D orthophotography produces the most accurate measurement of impervious surfaces. A fly-by of the ISM processWoolpert&#8217;s new impervious surface [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"scheduledNewsletterDates":[],"_scheduled_newsletter_id":0,"footnotes":"","jetpack_post_was_ever_published":false,"zonda_content_type_url_append":"_o","zonda_dfp_zone":"","zonda_exclude_recommended_contents":false,"zonda_exclude_most_popular":false,"zonda_exclude_tagged_results":false,"zonda_eyebrow":"","zonda_last_newsletter_date":"2099-12-31T23:59:59.999-05:00","zonda_original_url":"","zonda_pdf_version":0,"zonda_print_headline":"Web Extras 9\/1\/2010","zonda_promo_abstract":"Click here for more info on the Hoover Dam Bypass, products from APWA Exhibitors, and additional content from this month's issue!","zonda_promo_headline":"","zonda_promo_image":0,"zonda_subheadline":""},"tags":[],"news_item_type":[28],"section_10":[83124],"subject":[29032,350,2551,1124,51912,1347,1175],"organization":[6183],"award":[],"person":[],"product_type_10":[],"content-group":[],"event":[],"location":[668],"state":[522],"brand":[21460],"jlc-category":[],"year_tax":[],"sponsor":[],"coauthors":[17850],"class_list":["post-77345","post","type-post","status-publish","format-standard","hentry","news_item_type-article","section_10-infrastructure","subject-3d-technology","subject-climate-change","subject-erosion-control","subject-scaling","subject-sediment-control","subject-streetlighting","subject-universal-design","organization-scientific-certification-systems","location-columbus-oh","state-ohio","brand-public-works"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Web Extras 9\/1\/2010<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zonda-develop.go-vip.net\/concrete-construction\/projects\/infrastructure\/web-extras-9-1-2010_o\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Web Extras 9\/1\/2010\" \/>\n<meta property=\"og:description\" content=\"Click here for this month&#8217;s Web extras: Truth in stormwater billing Where credit is due Nature&#8217;s way Click here for the ADA corner with Michelle S. 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