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79 results found
The Moderate Resolution Imaging Spectroradiometer (MODIS) provides temporal enhanced vegetation index (EVI) data at 250, 500, and 1,000 m spatial resolutions that can be compared to daily, weekly, monthly, and annual weather parameters. A study was conducted at the grassland site (less than 10…
Author(s): Jorry Z. U. Kaurivi, Alfredo R. Huete, Kamel Didan
Keywords: MODIS, EVI, Santa Rita, mesquite, temperature, precipitation, multitemporal, Southwest
Source: In: McClaran, Mitchel P.; Ffolliott, Peter F.; Edminster, Carleton B., tech. coords. Santa Rita Experimental Range: 100 years (1903 to 2003) of accomplishments and contributions; conference proceedings; 2003 October 30-November 1; Tucson, AZ. Proc. RMRS-P-30. Ogden, UT: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 121-124.
Year: 2003
In the southeastern United States, most wildland fires are of low intensity. A substantial number of these fires cannot be detected by the MODIS contextual algorithm. To improve the accuracy of fire detection for this region, the remote-sensed characteristics of these fires have to be…
Author(s): W. Wang, J.J. Qu, X. Hao, Y. Liu
Keywords: algorithm, MODIS, regional fire detection, small fire
Source: Journal of Applied Remote Sensing Vol.3.
Year: 2009
Ground, airborne and spaceborne data were collected for a 450 ha prescribed fire implemented on 18 October 2011 at the Henry W. Coe State Park in California. The integration of various data elements allowed near-coincident active fire retrievals to be estimated. The Autonomous Modular Sensor-…
Author(s): Wilfrid Schroeder, Evan Ellicott, Charles Ichoku, Luke Ellison, Matthew B. Dickinson, Roger D. Ottmar, Craig Clements, Dianne Hall, Vincent Ambrosia, Robert Kremens
Keywords: biomass burning, remote sensing, airborne scanner, MODIS, GOES, fire radiative power, fire emissions
Source: Remote Sensing of Environment. 140: 719-730
Year: 2013
We investigated the use of principal components analysis (PCA) to visualize dominant patterns and identify anomalies in a multi-year land surface phenology data set (231 m × 231 m normalized difference vegetation index (NDVI) values derived from the Moderate Resolution Imaging Spectroradiometer (…
Author(s): Richard Tran Mills, Jitendra Kumar, Forrest M. Hoffman, William W. Hargrove, Joseph P. Spruce, Steven P. Norman
Keywords: phenology, MODIS, NDVI, remote sensing, principal components analysis, singular value decomposition, data mining, anomaly detection, high performance computing, parallel computing
Source: Procedia Computer Science 18:2396–2405
Year: 2013
Phase 1I of the Scientific Data Purchase (SDP) has provided NASA investigators access to data from four different satellite and airborne data sources. The Moderate Resolution Imaging Spectrometer (MODIS) land discipline team (MODLAND) sought to utilize these data in support of land product…
Author(s): Jeffrey T. Morisette, Jaime E. Nickeson, Paul Davis, Yujie Wang, Yuhong Tian, Curtis E. Woodcock, Nikolay Shabanov, Matthew Hansen, Warren B. Cohen, Doug R. Oetter, Robert E. Kennedy
Keywords: MODIS, IKONOS, NASA
Source: Remote Sensing of Environment. 88: 100-110
Year: 2003
The Moderate Resolution Imaging Radiometer (MODIS) is the primary instrument in the NASA Earth Observing System for monitoring the seasonality of global terrestrial vegetation. Estimates of 8-day mean daily gross primary production (GPP) at the 1 km spatial resolution are now operationally produced…
Author(s): David P. Turner, William D. Ritts, Warren B. Cohen, Stith T. Gower, Maosheng Zhao, Steve W. Running, Steven C. Wofsy, Shawn Urbanski, Allison L. Dunn, J.W. Munger
Keywords: MODIS, validation, gross primary production, light use efficiency, eddy covariance, biome-BGC, FPAR, boreal tbrest, deciduous forest
Source: Remote Sensing of Environment. 88: 256 271
Year: 2003
Leaf phenology of tropical evergreen forests affects carbon and water fluxes. In an earlier study of a seasonally moist evergreen tropical forest site in the Amazon basin, time series data of Enhanced Vegetation Index (EVI) from the VEGETATION and Moderate Resolution Imaging Spectroradiometer (…
Author(s): Xiangming Xiao, Stephen Hagen, Qingyuan Zhang, Michael Keller, Berrien Moore III
Keywords: Vegetation indices, MODIS, Plant phenology, Climate
Source: Remote Sensing of Environment 103 :465–473
Year: 2006
Summary Actual evapotranspiration (aET) and related processes in tropical forests can explain 70% of the lateral global energy transport through latent heat, and therefore are very important in the redistribution of water on the Earth’s surface [Mauser, M., Scha¨dlich, S., 1998. Modelling the…
Author(s): Wei Wu, Charles A.S. Hall, Frederick N. Scatena, Lindi J. Quackenbush
Keywords: Evapotranspiration, Remote sensing, Landsat-5 TM, MODIS, Model
Source: Journal of Hydrology 328, 733– 752
Year: 2006
We predicted the spatial pattern of hourly probability of cloud cover in the Luquillo Experimental Forest (LEF) in North-Eastern Puerto Rico using four different models. The probability of cloud cover (defined as “the percentage of the area covered by clouds in each pixel on the map” in this paper…
Author(s): Wei Wu, Charlesb Hall, Lianjun Zhang
Keywords: Generalized linear model (GLM), Generalized linear mixed model (GLMM), Spatial autocorrelation, probability of cloud cover, MODIS, Landsat-7 ETM+
Source: Ecological Modelling 192 :473–498
Year: 2006
This article describes the development of a methodology for scaling observations of changes in tropical forest cover to large areas at high temporal frequency from coarse-resolution satellite imagery. The approach for estimating proportional forest cover change as a continuous variable is based on…
Author(s): D.J. Hayes, W.B. Cohen
Keywords: Satellite image change detection, tropical land cover and land use change, MODIS
Source: Remote Sensing of Environment. 106: 1-16
Year: 2006
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