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Current PE&RS Cover

PE&RS July 2008

This month’s cover showcases Western Air Maps, Inc.’s rapid response imagery of the Rock River ice jam and fl ood at Vandruff-Carr Island (Rock Island, Illinois) on March 6th, 2008. The imagery was acquired at the urgent request of the U.S. Army Corps of Engineers Mississippi Valley Region – Rock Island District. The oblique cover imagery is accompanied in the right margin by stereo pairs of the island’s quarry area and surrounding ice flows. The use of a stereoscope with these images best illustrates the potential dangers of flooding in concert with ice blockages (the river flows top to bottom of page; East to West). Photogrammetric imagery was requisitioned, planned, and acquired in just over six hours.

This month’s Highlight article chronicles all of the coordination and mission planning involved in successfully capturing this event for public record and hydrologic study by the U.S. Army Corps of Engineers. For more information about rapid response imagery or other mapping solutions, contact Western Air Maps, Inc. at 1-800-643-5177, and visit our website at www.westernair.com.

Highlight Article
810 March Madness: Rapid Response Captures Rock River Ice Jam and Flood of Record (Adobe PDF xxxKb)
Scott Perkins and Erik Berg

Columns & Updates
815 Grids and Datums — Guatemala (Adobe PDF 692Kb)
817 Mapping Matters
819 Reflection of the Past (Adobe PDF 536Kb)
820 Letter to the Editor
821 Book Review — Remote Sensing of Impervious Surfaces
824 In Memoriam — H. Dell Foster
825 Industry News
827 Student News

Announcements
800 Pecora 17 — The Future of Land Imaging...Going Operational

Departments
813 New Member List
824 Certification List
826 Region of the Month
852 Who’s Who in ASPRS
853 Sustaining Members
855 Instructions for Authors
892 Forthcoming Articles
902 Calendar
928 ASPRS Member Champions (Adobe xxxKb)
929 Classifieds
930 Professional Directory
931 Advertiser Index
932 Membership Application

Yearbook
Download entire yearbook (Adobe PDF 1.52Mb)
829 Board of Directors (Adobe PDF 164Kb)
830 Installation of Officers (Adobe PDF 160Kb)
831 ASPRS: The Imaging and Geospatial Information Society (Adobe PDF 100Kb)
832 2007–2008 Executive Director Report (Adobe PDF 667Kb)
836 Awards Recipients (Adobe PDF 791Kb)
844 Memorial Address — John ‘Jack’ Edward Estes (Adobe PDF 963Kb)

Peer-Reviewed Articles (Click the linked titles to see the full abstract)

857 Extraction of Impervious Surface Areas from High Spatial Resolution Imagery by Multiple Agent Segmentation and Classification
Yuyu Zhou and Y.Q. Wang

An algorithm of multiple agent segmentation and classification (MASC) to extract impervious surface areas from truecolor digital orthophoto and spatial resolution enhanced QuickBird-2 multispectral imagery.

869 Data Combination and Feature Selection for Multisource Forest Inventory
Reija Haapanen and Sakari Tuominen

Feature selection and weighting among satellite image features and aerial photograph spectral and textural features were used to boost the accuracy when estimating forest variables.

881 Comparison of Single- and Multi-date Landsat Data for Mapping Wildfire Scars in Ocala National Forest, Florida
Mary C. Henry

Datasets classified using a traditional maximum likelihood classification method and a non-parametric classification and regression tree technique.

893 Change Detection Techniques for Use in a Statewide Forest Inventory Program
D.W. Wilkinson, R.C. Parker, and D.L. Evans

Analysis of modifi ed Change Vector Analysis (mCVA) and Simultaneous Image Differencing (SID) techniques for largescale forest change in Mississippi.

903 Decision-Based Fusion for Improved Fluvial Landscape Classification Using Digital Aerial Photographs and Forward Looking Infrared Images
Kathy M. Smikrud, Anupma Prakash, and Jeff V. Nichols

Comparing different image processing routines to classify macro fish habitat indicators in a large river floodplain using digital aerial photographs and forward looking infrared images leading to a decision-based fusion strategy to provide the best results.

913 Wal-Mart from Space: A New Source for Land Cover Change Validation
David Potere, Neal Feierabend, Alan H. Strahler, and Eddie E. Bright

Using a set of Wal-Mart store positions and opening dates to validate portions of three land-cover change-related products: a forest disturbance map based on Landsat GeoCover imagery and two MODIS vegetation index time series.

921 Neural Network Classification of Mangrove Species from Multi-seasonal Ikonos Imagery
Le Wang, José L. Silván-Cárdenas, and Wayne P. Sousa

A comparison of the efficacy of three different classification methods for discriminating mangrove canopies.