Search Results - Geocarto International Centre

Vegetation Indices: Advances Made in Biomass Estimation and Vegetation Monitoring in the Last 30 Years by Silleos, Nikolaos G., Alexandridis, Thomas K., Gitas, Ioannis Z., Perakis, Konstantinos

“…During the last 30 years Vegetation Indices (VI) have been extensively used for tracing and monitoring vegetation conditions, such as health, growth levels,…”
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Land Cover Classification Using IRS LISS III Image and DEM in a Rugged Terrain: A Case Study in Himalayas by Saha, A. K., Arora, M. K., Csaplovics, E., Gupta, R. P.

“…Digital image classification is generally performed to produce land cover maps from remote sensing data, particularly for large areas. The performance of image…”
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Relations between NDVI, Grassland Production, and Crop Yield in the Central Great Plains by Wang, Jue, Rich, Paul M., Price, Kevin P., Kettle, W. Dean

“…Satellite remote sensing of normalized difference vegetation index (NDVI) provides a means for characterizing landscape level patterns of net primary…”
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Mapping "Exurbia" in the Conterminous United States Using Nighttime Satellite Imagery by Sutton, Paul C., Cova, Thomas J., Elvidge, Christopher D.

“…A quick search of "exurbia" on the internet yields various definitions: 'the region outside the suburbs of a city, consisting of residential areas (exurbs)…”
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Revealing the Anatomy of Cities through Spectral Mixture Analysis of Multispectral Satellite Imagery: A Case Study of the Greater Cairo Region, Egypt by Rashed, Tarek, Weeks, John R., Gadalla, M. Saad, Hill, Allan G.

“…This paper examines the feasibility of spectral mixture analysis (SMA) in deriving comparable physical measures of urban land cover that describe the…”
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Multi-level Land Cover Mapping of the Twin Cities (Minnesota) Metropolitan Area with Multi-seasonal Landsat TM/ETM+ Data by Yuan, Fei, Bauer, Marvin E., Heinert, Nathan J., Holden, Geoffrey R.

“…Land cover maps, especially vegetation maps, are of increasing interest and use to resource agencies. This paper describes a three-stage hybrid classification…”
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Mapping Single-, Double-, and Triple-crop Agriculture in China at 0.5° × 0.5° by Combining County-scale Census Data with a Remote Sensing-derived Land Cover Map by Qiu, Jianjun, Tang, Huajun, Frolking, Steve, Boles, Stephen, Li, Changsheng, Xiao, Xiangming, Liu, Jiyuan, Zhuang, Yahui, Qin, Xiaoguang

“…Assessments of agriculture at the national scale require the best possible information on the distribution of cropland and the management of that cropland…”
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Global Land Ice Measurements from Space (GLIMS): Remote Sensing and GIS Investigations of the Earth's Cryosphere by Bishop, Michael P., Olsenholler, Jeffrey A., Shroder, John F., Barry, Roger G., Raup, Bruce H., Bush, Andrew B. G., Copland, Luke, Dwyer, John L., Fountain, Andrew G., Haeberli, Wilfried, Kääb, Andreas, Paul, Frank, Hall, Dorothy K., Kargel, Jeffrey S., Molnia, Bruce F., Trabant, Dennis C., Wessels, Rick

“…Concerns over greenhouse-gas forcing and global temperatures have initiated research into understanding climate forcing and associated Earth-system responses…”
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Effectiveness of Subpixel Analysis in Detecting and Quantifying Urban Imperviousness from Landsat Thematic Mapper Imagery by Ji, Minhe, Jensen, John R.

“…The quantification of urban imperviousness using remotely sensed spectral data is next to impossible unless a spectral fraction of impervious components in an…”
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Mangrove Forest Cover Change in the Bangladesh Sundarbans from 1989-2000: A Remote Sensing Approach by Emch, Michael, Peterson, Marc

“…This paper quantifies mangrove forest cover change in the Sundarbans of southwest Bangladesh from 1989 to 2000 using Landsat Thematic Mapper satellite imagery…”
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Evaluating the Use of Landsat 30m Enhanced Thematic Mapper to Monitor Vegetation Cover in Shrub-Steppe Environments by Ramsey, R. Douglas, Wright, Dennis L., McGinty, Chris

“…Many land-management agencies are caught between decreased budgets and increasing public interest. Furthermore, semi-arid landscapes are sensitive to…”
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Mapping Wildfire Burn Severity in Southern California Forests and Shrublands Using Enhanced Thematic Mapper Imagery by Rogan, John, Franklin, Janet

“…Wildfire is a major disturbance agent in Mediterranean Type Ecosystems (MTEs). Providing reliable, quantitative information on the area of burns and the level…”
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A CCD Camera-based Hyperspectral Imaging System for Stationary and Airborne Applications by Yang, Chenghai, Everitt, James H., Davis, Michael R., Mao, Chengye

“…This paper describes a CCD (charge coupled device) camera-based hyperspectral imaging system designed for both stationary and airborne remote sensing…”
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Digital Elevation Model Based Hydro-processing by Maathuis, B. H.P., Wang, L.

“…The article describes a newly implemented routine, called DEM hydro-processing, which was added to the overall capabilities of the ILWIS-GIS package developed…”
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Geomorphometry of Cerro Sillajhuay (Andes, Chile/Bolivia): Comparison of Digital Elevation Models (DEMs) from ASTER Remote Sensing Data and Contour Maps by Kamp, Ulrich, Bolch, Tobias, Olsenholler, Jeffrey

“…Digital elevation models (DEMs) are increasingly used for visual and mathematical analysis of topography, landscapes and landforms, as well as modeling of…”
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Spatially Located Platform and Aerial Photography for Documentation of Grazing Impacts on Wheat by Louhaichi, Mounir, Borman, Michael M., Johnson, Douglas E.

“…Goose populations that winter in Oregon's Lower Willamette Valley have increased from 25 000 to more than 250 000 birds in the last 25 years, resulting in…”
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Estimation of Snowmelt Runoff in Beas Basin, India by Prasad, Vajja Hari, Roy, Partha Sarathi

“…Estimation of snowmelt runoff is very important in the Western Himalayan rivers in India where it is required to plan for hydropower generation and the water…”
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Flood Hazard Delineation in Greater Dhaka, Bangladesh Using an Integrated GIS and Remote Sensing Approach by Dewan, Ashraf M., Kumamoto, Takashi, Nishigaki, Makoto

“…The objective of this paper is to delineate flood hazard areas for the greatest flood of 1998 in Greater Dhaka, the capital of Bangladesh. Multi-date RADARSAT…”
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Very Large Scale Aerial Photography for Rangeland Monitoring by Booth, D. Terrance, Cox, Samuel E.

“…Ecological assessment of ground cover by conventional on-the-ground point sampling is labor intensive, expensive, and biased by access. Historically, motion…”
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Two Dimensional Mapping of River Bathymetry and Power Using Aerial Photography and GIS on the Brazos River, Texas by Jordan, David C., Fonstad, Mark A.

“…Effective management of river environments requires efficient means of gathering data on the rivers, including stream power and other hydraulic attributes…”
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