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Showing 1 to 20 of 21 for “"Ikonos"”.

  1. Spatial modeling of soil salinity using remote sensing, GIS, and field data

    Eldeiry, Ahmed Aly Mohamed, author, Garcia, Luis, advisor, Reich, Robin, advisor, Loftis, Jim, committee member, Lefsky, Michael, committee memberColorado State University. Libraries2006

    … Five images were acquired from Aster, Ikonos, and Landsat to check the correlation between measured soil salinity and remote sensing data. Observed data from four com fields during 2001 and four alfalfa fields during 2004 were used in conjunction with the Aster, Ikonos, and Landsat …

    colostate Repository record

  2. Analyse spatio-temporelle de l'évolution des marais à scirpe de l'habitat migratoire de la Grande Oie des neiges à l'aide de l'imagerie IKONOS et de photographies aériennes

    Allard, MatthieuUniversité de Sherbrooke2008

    … et Cap-Saint-Ignace. Aux images satellitaires IKONOS datant de 2002 s'ajoutent des photographies aériennes prises au cours des quatre dernières décennies. Des classifications servant à identifier les groupements végétaux et les taux de recouvrement du scirpe sont réalisées à partir du logiciel …

    sherbrooke Repository record

  3. Time Series Analysis of Vegetation Change using Hyperspectral and Multispectral Data

    Wahrman, Spencer A.Monterey, CA; Naval Postgraduate School2012

    … live, green trees to dead, gray-brown trees. IKONOS data from 2011 were corrected to reflectance and validated against an Airborne Visible/Infrared Imaging Spectrometer (AVIRIS) hyperspectral dataset, also collected during 2011. These data were used along with additional reflectance-corrected …

    nps Repository record

  4. Automatic land-cover-classification derived from high-resolution Ikonos satellite image in the urban atlantic forest in Rio de Janeiro, Brasil by means of an objects-oriented approach

    Guanaes Rego, Luiz Felipe

    … classes are needed. Consequently, images as IKONOS need to be used to produce a classification, with a scale corresponding to the GIS of the city. <br>Pixel based classification with high resolution data show some problems because the level of information in the data produce a lot of …

    freiburg-diss Repository record

  5. Bewertung, Verarbeitung und segmentbasierte Auswertung sehr hoch auflösender Satellitenbilddaten vor dem Hintergrund landschaftsplanerischer und landschaftsökologischer Anwendungen

    Neubert, MarcoTechnische Universität Dresden

    … und einem Meter - existieren seit dem Start von IKONOS Ende 1999. Etwa im selben Zeitraum wurden extrem hoch auflösende digitale Flugzeugkameras (0,1 bis 0,5 m) entwickelt. Dieser Arbeit liegen IKONOS-Daten mit einer Auflösung von einem (panchromatischer Kanal) bzw. vier Metern …

    qucosa-diss

  6. Assessment of the CORONA series of satellite imagery for landscape archaeology: a case study from the Orontes valley, Syria

    Galiatsatos, NikolaosDurham University2004

    … Valley, Syria. Present-day high-resolution IKONOS imagery was integrated within the study and assessed alongside CORONA imagery. The combination of these two image datasets was shown to provide a powerful set of tools for investigating past archaeological landscape in the Middle East. The …

    durham Repository record

  7. Use of remote sensing to estimate soil salinity and evapotranspiration in agricultural fields

    Elhaddad, Aymn, author, Garcia, Luis A., advisor, Loftis, Jim C., committee member, Albertson, Maurice L., committee memberColorado State University. Libraries2007

    … two satellite scenes were used: a multi-spectral Ikonos image from July 27, 2001 and a Landsat 7 image from July 8, 2001. While the Ikonos image provides more details, the results of this study indicate that the Landsat imagery also performed remarkably well. Evapotranspiration (ET) is one of the …

    colostate Repository record

  8. Impervious Surfaces Mapping Using High Resolution Satellite Imagery

    Shirmeen, Tahmina2019

    … generate impervious surfaces from multispectral IKONOS and QuickBird imagery acquired in both leaf-on and leaf-off conditions. Accuracy assessments were performed, using truth data generated by manual classification, with Kappa statistics and Zonal statistics to select the most appropriate image …

    mississippi Repository record

  9. Geospatial Assessment of Sustainable Built Infrastructure Assets and Flood Disaster Protection

    Durmus, Alper2019

    … remote sensing satellite imagery. Pre-flood 1-m IKONOS imagery of the campus area was used to create planimetrics and geospatial infrastructure inventory. Ground truth measurements along with site inspection photos facilitated further flood impact analysis and creation of a detailed flood depth …

    mississippi Repository record

  10. A Genetic Bayesian Approach for Texture-Aided Urban Land-Use/Land-Cover Classification

    Ju, WenxueGeography and Anthropology2017

    … land-use/land-covers using post-Katrina IKONOS imagery of New Orleans were demonstrated. Because previous geometric-step and arithmetic-step implementations of the triangular prism algorithm can result in significant unutilized pixels when measuring local fractal dimension, the …

    lsu-thes Repository record

  11. Changes in landuse patterns in upland watersheds of Eastern Luangwa Valley, Zambia, and the potential impact on runoff and erosion

    Nyirongo, Victor Wilford KayiwazeVirginia Tech2009

    … delivery. Landuse was delineated from 2007 IKONOS image (one meter pixel), and Landsat imagery was used to depict the historic changes in landuse between the period of 1989 and 2007. The GWLF model was used to predict the impact of the landuses on the hydrology of the area. There had been an …

    vt Repository record

  12. Uso do solo e pressão antrópica no Parque Estadual Serra do Rola-Moça, Belo Horizonte MG

    Porfírio, Thaís Helena da CostaUniversidade Federal de Viçosa2006

    … em 1989, ETM/LANDSAT 7, em 2002, e pelo satélite IKONOS, em 2004, a partir das quais foram gerados mapas da ocupação urbana no entorno do Parque, para os anos de 1989 e 2002, e de uso e cobertura do solo do Parque, em 2004. Chegou-se a um crescimento urbano numa taxa de 44,44 ha/ano, para a faixa …

    brazil-ufv Repository record

  13. Idenfitying and Understanding North American Carbon Cycle Perturbations from Natural and Anthropogenic Disturbances

    Neigh, Christopher Sean2008

    … with multi-resolution data from Landsat, IKONOS, aerial photography, and ancillary data revealed a wide range of causes: climatic influences; severe drought and subsequent recovery; irrigated agriculture expansion; insect outbreaks followed by logging and subsequent regeneration; and …

    maryland Repository record

  14. Limites territoriais em litígio no Brasil: estudo do caso existente na divisa entre os estados do Espírito Santo e Minas Gerais, no interior do Parque Nacional do Caparaó

    Soares, Jonnas GonçalvesUniversidade Federal de Viçosa2013

    … além do suporte da tecnologia GPS, imagens Ikonos, do software ArcGis e de visitas a campo. Também foi necessário pesquisar a constituição brasileira e as leis estaduais que definem as atribuições de cada ente federativo e da União no que diz respeito aos limites. Além das leis, foi preciso …

    brazil-ufv Repository record

  15. Élaboration d'un indice global de qualité de vie par intégration de données multisources cas de la Ville de Sherbrooke

    Barrette, ValérieUniversité de Sherbrooke2003

    … des images hautes résolutions du satellite IKONOS, des statistiques du recensement de 1996 ainsi que certaines données provenant des relevés municipaux. Par une intégration de toutes ces données dans un SIG, il est possible de produire une cartographie de la variation de la qualité de vie …

    sherbrooke Repository record

  16. Assessing the accuracy of the MODIS LAI 1-km product in southeastern United States loblolly pine plantations: Accounting for measurement variance from ground to satellite

    Iiames, John Shepherd, Jr.

    … on satellite-derived vegetation indices from the IKONOS sensor.</p>

    unh-thes Repository record

  17. Detection of Mortality in Tropical Forests Using Remote Sensing: From Treefall Gaps to Large Disturbances

    Espirito-Santo, Fernando Del Bon

    … coupled with high resolution satellite images IKONOS-2 was investigated using geostatistics. Based on field plot measurements, tree-fall gaps account only about 30% of the flux of annual tree mortality. Most mortality does not result in gap formation. On average, gap formation accounted for a …

    unh-thes Repository record

  18. Modeling Culex tarsalis Coquillett abundance on the northern Colorado Front Range using a landscape-level approach

    Schurich, Jessica, author, Kondratieff, Boris, advisor, Kumar, Sunil, advisor, Moore, Chester, committee member, Eisen, Lars, committee memberColorado State University. Libraries2012

    … Range used National Land Cover Data (NLCD) and IKONOS satellite imagery to model adult mosquito abundance of Cx. tarsalis. I applied a landscape-level approach to elucidate the effects of landscape-level environmental factors (independent or predictor variables) at multiple spatial extents on …

    colostate Repository record

  19. Developing Management Guidelines that Balance Cattle and Timber Production with Ecological Interests in the Black Hills of South Dakota

    Chowanski, Kurt M.2016

    … a regression model based on Landsat and Ikonos satellite imagery and was able to detect large changes in forest cover over time. I then used these maps in combination with maps of soil type and Palmer Drought Severity Index (PDSI) to update forage production estimates for the region. …

    sdstate Repository record

  20. Fernerkundung und GIS zur Erfassung, Modellierung und Visualisierung orientalischer Stadtstrukturen : das Beispiel Sanaa (Jemen)

    Jamil, AbdlhamedUniversität Potsdam

    … Fernerkundungssystemen (wie z.B. QuickBird, Ikonos u. a.) erlauben die Erkennung und Kartierung urbaner Objekte, wie Gebäude, Straßen und sogar Autos. Die mit ihnen erstellten Karten und den daraus gewonnenen Informationen können zur Erfassung von Urbanisierungsprozessen (Stadt- und …

    potsdam-diss Repository record

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