لایب سان

Ebook details:
عنوان: Applications of Remote Sensing in Agriculture
نویسنده: J. A. Clark, M.D. Steven
ناشر: Butterworth-Heinemann (January 1, 1991)
زبان: English
شابک: 0408047674, 978-0408047678
حجم: 47 Mb
فرمت: True Pdf

Front Cover; Applications of Remote Sensing in Agriculture; Copyright Page; Table of Contents; PREFACE; ACKNOWLEDGEMENTS; PART I: PRINCIPLES; CHAPTER 1. SENSORS, PLATFORMS AND APPLICATIONS; ACQUIRING AND MANAGING REMOTELY SENSED DATA; Introduction; Some general features of agricultural applications; Trends in technological development; Information needs for agricultural applications; The need for all-weather systems; The inescapable place of sampling: the agricultural case; Applications at various scales; Earth observation and holistic information systems -- the future. Geographical information systems at the local and national scalesFuture systems; References; CHAPTER 2. OPTICAL PROPERTIES OF VEGETATION CANOPIES; Introduction; Optical properties of the components of a vegetation canopy; Reflectance spectra of plant canopies; Effects of external factors on the reflectance of plant canopies; Influence of internal factors; Conclusions; References; CHAPTER 3. FACTORS AFFECTING THE RADIATIVE TEMPERATURE OF A VEGETATIVE CANOPY; Introduction; External environmental factors; Plant factors; Other factors; Conclusions; References; PART II. CLIMATE AND SOIL. CHAPTER 4. DISCRIMINATION AND MONITORING OF SOILSIntroduction; Remote sensing and soil mapping; Soil map scale and remote sensing; Photo/image type for interpretive studies; Digital analysis of images for discriminating soils; Remote sensing for recording the interactions of crop growth with soils and weather; Remote sensing of soil moisture; Remote sensing and soil degradation; Conclusions; References; CHAPTER 5. ESTIMATION OF RAINFALL USING GEOSTATIONARY SATELLITE DATA; Introduction; Rainfall estimates from cold cloud statistics; Calibration and validation; Selected results. Utility of estimatesConclusions; Acknowledgements; References; CHAPTER 6. APPLICATION OF REMOTE SENSING AND GEOGRAPHICAL INFORMATION SYSTEMS IN WATER MANAGEMENT; Introduction; Two methods to determine actual crop transpiration; Integration of remotely sensed imagery and SWATRE simulations in a geographical information system; Experience with transpiration mapping from remotely sensed imagery in agricultural water management; Conclusions and discussion; References; PART III: LAND CLASSIFICATION AND CROP INVENTORIES; CHAPTER 7. THEORETICAL PROBLEMS IN IMAGE CLASSIFICATION; Introduction. Image classification: The per-pixel approachDifficulties with the per-pixel approach; Conclusions; References; CHAPTER 8. ESTIMATING PRODUCTION OF WINTER WHEAT BY REMOTE SENSING AND UNIFIED GROUND NETWORK. I. SYSTEM VERIFICATION; Introduction; Results; System for collecting, transferring and storing crop information; Estimation of growing area of winter wheat; Estimation of yield and total output; Dynamic monitoring of crop growth and development; Support research techniques and methods; Conclusion; Acknowledgement; References.

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