Search Results - "Townshend, J.R.G"

An overview of MODIS Land data processing and product status by Justice, C.O, Townshend, J.R.G, Vermote, E.F, Masuoka, E, Wolfe, R.E, Saleous, N, Roy, D.P, Morisette, J.T

“…Data from the first Moderate Resolution Imaging Spectroradiometer (MODIS) instrument on the NASA Terra Platform are being used to provide a new generation of…”
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Towards an operational MODIS continuous field of percent tree cover algorithm: examples using AVHRR and MODIS data by Hansen, M.C, DeFries, R.S, Townshend, J.R.G, Sohlberg, R, Dimiceli, C, Carroll, M

“…The continuous fields Moderate Resolution Imaging Spectroradiometer (MODIS) land cover products are 500-m sub-pixel representations of basic vegetation…”
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The Moderate Resolution Imaging Spectroradiometer (MODIS): land remote sensing for global change research by Justice, C.O., Vermote, E., Townshend, J.R.G., Defries, R., Roy, D.P., Hall, D.K., Salomonson, V.V., Privette, J.L., Riggs, G., Strahler, A., Lucht, W., Myneni, R.B., Knyazikhin, Y., Running, S.W., Nemani, R.R., Zhengming Wan, Huete, A.R., van Leeuwen, W., Wolfe, R.E., Giglio, L., Muller, J., Lewis, P., Barnsley, M.J.

“…The first Moderate Resolution Imaging Spectroradiometer (MODIS) instrument is planned for launch by NASA in 1998. This instrument will provide a new and…”
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The impact of misregistration on change detection by Townshend, J.R.G., Justice, C.O., Gurney, C., McManus, J.

“…The impact of misregistration on the detection of changes in land cover has been evaluated using spatially degraded Landsat MSS images, focusing on simulated…”
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Assessment of Paraguay's forest cover change using Landsat observations by Huang, Chengquan, Kim, Sunghee, Song, Kuan, Townshend, John R.G., Davis, Paul, Altstatt, Alice, Rodas, Oscar, Yanosky, Alberto, Clay, Rob, Tucker, Compton J., Musinsky, John

“…Comprehensive assessments of Paraguay's forest cover (FC) change from the 1970s to the 2000s using Landsat observations were conducted, including a…”
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Detection of land cover changes using MODIS 250 m data by Zhan, X, Sohlberg, R.A, Townshend, J.R.G, DiMiceli, C, Carroll, M.L, Eastman, J.C, Hansen, M.C, DeFries, R.S

“…The Vegetative Cover Conversion (VCC) product is designed to serve as a global alarm for land cover change caused by anthropogenic activities and extreme…”
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Development of a MODIS tree cover validation data set for Western Province, Zambia by Hansen, M.C, DeFries, R.S, Townshend, J.R.G, Marufu, L, Sohlberg, R

“…One of the annual land cover products to be made from Moderate Resolution Imaging Spectroradiometer (MODIS) data is the vegetation continuous fields layers. Of…”
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Convincing evidence of tropical forest decline by Steininger, M.K, Hansen, M, Townshend, J.R.G, Tucker, C.J, Skole, D, DeFries, R

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A modified hapke model for soil bidirectional reflectance by Liang, Shunlin, Townshend, John R.G.

“…The Hapke bidirectional reflectance model has been widely used for soil modeling, but gives significant errors when the soil scatters very strongly and…”
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Acquisition of earth science remote sensing observations from commercial sources: lessons learned from the Space Imaging IKONOS example by Goward, Samuel N, Townshend, John R.G, Zanoni, Vicki, Policelli, Fritz, Stanley, Tom, Ryan, Robert, Holekamp, Kara, Underwood, Lauren, Pagnutti, Mary, Fletcher, Rose

“…Over the last decade, NASA and other federal agencies have been increasingly encouraged to explore commercial sources of land remote sensing data rather than…”
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African land-cover classification using satellite data by Tucker, C.J, Townshend, J.R.G, Goff, T.E

“…Data from the advanced very-high-resolution radiometer sensor on the National Oceanic and Atmospheric Administration's operational series of meteorological…”
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Angular signatures of NASA/NOAA Pathfinder AVHRR land data and applications to land cover identification by Shunlin Liang, Townshend, J.R.G.

“…The angular signatures of the NASA/NOAA Pathfinder AVHRR land data set are examined by applying several widely used empirical models and by developing a new…”
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A Land Cover Change Monitoring Program: Strategy for an International Effort by Skole, D.L., Justice, C. O., Townshend, J.R.G., Janetos, A. C.

“…An international system for monitoring land cover change is needed to support a range of scientific and policy objectives. Although much of the technology and…”
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A simple assessment of the expansion of American urban areas from 1970s to 1990s using the North American Landscape characterization data set by Xiwu Zhan, Yongjin Jiang, Townshend, J.R.G.

“…The triplicates of the North American Landscape Characterization (NALC) data set are used to assess the expansion of 10 large urban areas in the United States…”
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Development of 500 meter vegetation continuous field maps using MODIS data by Hansen, M.C., DeFries, R.S., Townshend, J.R.G., Carroll, M., Dimiceli, C., Sohlberg, R.A.

“…Data from the Moderate Resolution Imaging Spectroradiometer (MODIS) represent a marked advance in global land cover mapping. The 500 m time series data have an…”
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Retrieval of global broad band albedo from AVHRR data using high performance computing techniques by Kalluri, S.N.V., Zhang, Z., Jala, J., Townshend, J.R.G.

“…Land surface albedo is an important parameter in climate and energy balance models, since it determines the amount of solar radiation that is absorbed by the…”
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Inside front cover by Zengyan Zhang, Kalluri, S.N.V., Jaja, J., Shunlin Liang, Townshend, J.R.G.

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Assessing and deconvolving the impacts of the point spread function on satellite remote sensing by Chengquan Huang, Kalluri, S.N.V., Townshend, J.R.G., Kai Yang

“…The point spread function (PSF) describes the response of sensor systems to point signals. The quality of satellite images is affected by this function. In…”
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Texture features for land cover change detection at 250 m resolution-an application of machine learning feature subset selection by Chan, J.C.-W., DeFries, R.S., Xiwu Zhan, Chengquan Huang, Townshend, J.R.G.

“…Texture measures have been widely studied in addition to spectral features to characterize land cover type. Texture measures can be used to update land cover…”
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Processing long time satellite data for global change research: the AVHRR Pathfinder challenge by Kalluri, S.N.V., Townshend, J.R.G., Smith, P.M., James, M.E.

“…Global Area Coverage (GAG) measurements from the Advanced Very High Resolution Radiometer (AVHRR) are being reprocessed as a part of the NOAA/NASA Pathfinder…”
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