thermal infrared data for assessment and quantification of surface energy fluxes and soil moisture
Thermal Remote Sensing in Land Surface Processes - Chapter 1 pptx
... eld of remote sensing for analysis of thermal infrared satellite data and emissivity and land surface temperature retrievals John M Norman is the Rothemel Bascom Professor of Soil Science and ... sensing of land surface properties and processes, such as soil moisture, vegetation parameters, surface temperature, and energy uxes, and in the assimilation of these data in hydrologic and climate ... state -of- the-art of TIR remote sensing data was, and discussing how TIR data could be more widely used in research related to the analysis and modeling of land surface energy uxes and land surface...
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ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - REMOTE SENSING pptx
... measure soil moisture Multispectral visible and infrared data are used for crop classification and assessment, including monitoring the health and productivity of crops, with the goal of predicting ... discrimination of rock and mineral types, lineament mapping, and identifying landforms and geologic structures Today, many types of remotely-sensed data are used for geological applications at a variety of ... used as a base for soil mapping, while multispectral and thermal images are used for soil moisture mapping Imaging radar systems, with their sensitivity to moisturerelated dielectric surface properties,...
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Thermal Remote Sensing in Land Surface Processes - Chapter 2 ppt
... U94 and So93 show lower errors for Wv lower than g cm−2 (between 0.5 and 1.2 K for U94 and between 0.5 and 1.5 K for So93) and larger errors for high values of Wv (even with a larger scatter for ... coefficients a and b have been determined only for the 8–14 µm band and are surface dependant Method 2: “vegetation cover” (Valor and Caselles 1996) Emissivity is written as a function of bare soil and ... near -infrared) , mid -infrared, and thermal infrared The AVHRR/2 field of view is of ± 55◦ , which enables the system to view almost any point of the Earth’s surface twice a day (ascending and descending...
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Thermal Remote Sensing in Land Surface Processes - Chapter 3 docx
... priori knowledge of a considerable number of surface parameters and detailed information for initialization They also require pertinent ground data and substantial human effort for model calibration ... diagram of the input and output quantities used for the application of the Norman et al (1995) model to data from the August 18, 1994, Landsat scene over the LWW radiation and assumed values of surface ... vegetation and soil contributions Those contributions are determined by doing a separate surface energy balance on the soil and vegetation layers and assuming that the flux of heat from the soil and vegetation...
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Thermal Remote Sensing in Land Surface Processes - Chapter 4 pptx
... solution for equations (4.14) and (4.13) and a new value of LE was computed from a rewritten form of equation (4.1) Calculation of Ri was repeated with the new values of φm and ψm , and the rest of ... Charles A Laymon and Dale A Quattrochi Labed, J and M.P Stoll (1991) Spatial variability of land surface emissivity in the thermal infrared band: spectral signature and effective surface temperature ... Difficulties arose because of the low contrast in reflectivity among the red and near -infrared bands and because of the presence of a microphytic crust on the ground surface of generally low reflectivity...
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Thermal Remote Sensing in Land Surface Processes - Chapter 6 doc
... triangles for boxes and 2) and simulated (continuous curves) soil and surface radiometric temperatures for different soil water content at approximately mid-day for a case with strong sun and dry soil ... enormous spatial variability of surface temperature and surface soil water content, which depend much more on the microscale variability of the soil type, texture, exposure, and surface debris content ... drying soil and, therefore, a full range of soil water content from dry to moist Such local variations in soil water content is an indication that the heterogeneity of natural soils – and especially...
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Thermal Remote Sensing in Land Surface Processes - Chapter 7 pdf
... the one hand and model performance and verificability on the other Another issue in the application of satellite data for large area mapping of fluxes is the effect of heterogeneity of surface conditions ... and absorption of radiation in the visible and near -infrared wavelengths is markedly different for vegetation and soils, the visible and near -infrared reflectances of the soil and vegetation were ... at the soil/ canopy interface; for example, absorption of radiation and momentum by the soil -surface, convective transport of heat and water to the atmosphere, conduction of heat, water, and CO2...
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Thermal Remote Sensing in Land Surface Processes - Chapter 9 pptx
... #2 Exergy analysis of ecosystems 285 speak of the quality of energy is to recognize that some forms of energy are more useful than others Before formalizing the concept of energy quality in Section ... quality of energy paradigm “The first law [of thermodynamics] deals with the quantity of energy in terms of a conservation rule The second law [of thermodynamics] deals with the quality of energy ... engine and heat pump shown in Figure 9.2 are generic devices that convert thermal energy into work, and use work energy to pump thermal energy from cold to hot,15 respectively For sake of visualization,...
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Thermal Remote Sensing in Land Surface Processes - Chapter 10 pot
... time and the imaging time The emissivity of most surfaces can be assumed constant for long periods of time (soiling, moisture content, and phenological changes being some obvious exceptions) and ... least of which is its ubiquitous nature on the surface of the planet In addition, the high thermal inertia of water and the tendency of fluids to mix leaves us with large surfaces that often have ... standard material is maintained at its melting point by a separate set of thermal controllers and thermal monitors Because of the heat of fusion, this is a very stable temperature location and...
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Thermal Remote Sensing in Land Surface Processes - Chapter 11 (end) doc
... management, and forest fires risks assessment; (b) the assessment of surface (soil and vegetation) evapotranspiration, and thereby the evaluation of water consumption, useful for irrigation management and ... continued collection of these data, as well as for the development of improved and enhanced satellite sensors and airborne that will make TIR data a universal and essential aspect of land surface processes ... data L band MUST real time data Local Distributor (LD) or Local Station (LS) Meteorological data (air temperature, moisture) Land cover and soils data Local MUST data pre-processing and archiving...
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estimation of soil moisture using microwave remote sensing data
... extensive information about the interaction of land surface processes The partitioning of precipitation between runoff and infiltration is necessary for flood forecasting Soil moisture information ... natural thermal emission of the land surface at microwave wavelength The microwave brightness temperature of the land surface is a function of the thermodynamic temperature of the soil and surface ... backscattering and L-Band SM for vegetated and harvested area (July 02 data) 69 Figure 22: SAR backscattering and L-Band SM for vegetated and harvested area (July 12 data) 69 Figure 23: Landsat Thematic...
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Báo cáo " A study on urban development through land surface temperature by using remote sensing: in case of Ho Chi Minh City " potx
... 2.2 Data sets Landsat TM and Aster images were used as the main data source in this research Two Landsat TM images have seven bands, included six reflective bands in visible, near- and midinfrared ... results Table Average land surface temperature (oC) by land cover type Land cover type Industrial zone Built-up land Bare land (construction site) Land after crop Land under crop Forest Water ... part of Ho Chi Minh City has expanded by 6.5 times from 1989 to 2006 year, and the urban development has altered the magnitude and pattern of SUHI Application of satellite thermal infrared data...
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Báo cáo " Research on the effect of urban expansion on agricultural land in Ho Chi Minh City by using remote sensing method " ppt
... spectral, multi‐resolution and multi‐temporal data and turns them into valuable information for understanding and monitoring urban land processes and for building urban land cover datasets ... housing demand and city development, agriculture land was transformed into land for houses, roads, industrial and commercial areas. From the source of the Department of Natural ... This study was based on remotely sensed data (satellite images), along with fields check and existing maps. Land cover patterns for 1989 and 2002 were mapped by using Landsat TM and ETM data (Dates: 16 January ...
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Detection of actual and assessment of potential plantations in Lao PDR using GIS and remote sensing technologies doc
... steps Forest / Land cover The land cover data was provided by the Ministry of Agriculture and Forestry (MAF) and represents the land cover in 2002 The dataset is part of a forest cover and land ... suitability for rubber of the soil types (1= high suitability, = no suitability) 60 Table 8: Assignment of values between zero and one according to the suitability for rubber of the soil depth and soil ... plantations, and already many of the smallholders rely on prospects of future sales of latex and thus depend on the dynamics of the global market The success story of Yunnan and the high demand of China...
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AIR POLLUTION DETERMINATION USING REMOTE SENSING TECHNIQUE pptx
... \HDU 7KHUHIRUH LW LV LPSRVVLEOH WR JHW WKH FORXG IUHH VDWHOOLWH LPDJH RYHU 3HQDQJ ,VODQG %XW WKH VDWHOOLWH LPDJH FKRVHQ LV OHVV WKDQ RI FORXG FRYHUDJH RYHU WKH VWXG\ DUHD 3HQDQJ ,VODQG...
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Environmental Modelling with GIs and Remote Sensing - Chapter 1 pps
... 4.6 Data access 4.7 Global databases 4.7.1 Multiple-theme global databases 4.7.2 Hcritagc global land cover databases 4.7.3 Global land cover from satellite data 4.7.4 Topographic data 4.7.5 Soils ... analysis 11.4.4 Standard land evaluation systems Land use planning activities at regional and global scales Availability and distribution of spatial data sets Reliability of GIs-based land use planning ... politicians and the general public demand faster and more detailed analyses of environmental problems and processes, and clamour for scientists to provide solutions to these problems For GIS users and...
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Environmental Modelling with GIs and Remote Sensing - Chapter 2 pps
... Taxonomy of environmental models in tlze spatial sciences 15 For example, dry savannas are delineated by a leaf area index of between 0.6 and 1.5, and by a monthly average available soil moisture of ... spatially and over time that the calculation of surface runoff from comparisons of rainfall intensity and infiltration rates holds good only for very small areas that the Hortonian overland flow ... P.A., 1989, Matching spatial database and quantitative models in land resource assessment Soil Use and Management 5: 3-8 Busby, J.R., 1986 A bioclimatic analysis of Nothofagus cunnirzghamia in south...
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Environmental Modelling with GIs and Remote Sensing - Chapter 3 pot
... spectral bands: band in the visible red around 0.6 pm, band in the near infrared around 0.9 pm, band in the mid-wave infrared around 3.7 pm, and band and in the thermal infrared around 11 and 12 ... because of its single visible and near infrared channels Band looks at gelbstoffe, bands and at chlorophyll, band at pigment, band at suspended sediments Bands , and look at atmospheric aerosols, and ... capability, and multispectral bands characteristic of the current Landsat and Spot satellites The scale of the images of these satellites makes them especially suited for land management and land-use...
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Environmental Modelling with GIs and Remote Sensing - Chapter 7 pptx
... International Union for Conservation of Nature (IUCN) recommended the preservation of a cross-section of all major ecosystems and called for protection of 13 million km2 of the Earth's surface (Western ... list of threatened animals IUCN, Gland, Switzerland Janssen, L.L.V and Van der Wel, F.J.M., 1994, Accuracy Assessment of Satellite Derived land-Cover Data: A Review Photogrammetric Engineering and ... science of scarcity and diversity Sunderland ~inauer 286pp 303 Jewell, N., 1989, An evaluation of multi-SPOT data for agriculture and land use mapping in the United Kingdom International Journal of...
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Environmental Modelling with GIs and Remote Sensing - Chapter 9 pps
... partitioning of precipitation into evaporation and water input to the drainage basin the partitioning of water input into infiltration and surface runoff the movement of surface and subsurface water ... measure of the water leading capability of the soil, and is controlled by the soil pore size, soil composition, and the soil moisture content The saturated hydraulic conductivity is often referred ... number of soil properties from which the desired characteristics might be inferred Soil texture classification, often in the form of fractions of clay, silt and sand, is the single most important data...
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