Remote sensing
Searched over 200M research papers for "remote sensing"
Summary
10 papers analyzed
These studies suggest remote sensing provides valuable information for military applications, earth sciences, natural resources management, agriculture, hydrology, mineral exploration, and entomology.
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Beta19 papers analyzed
Introduction
Remote sensing is a technology that allows for the acquisition of information about objects or areas from a distance, typically using satellites or aircraft. This field has broad applications across various domains, including earth sciences, military, agriculture, hydrology, and mineral exploration.
Key Insights
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General Applications and Principles:
- Remote sensing involves the measurement of physical quantities at a distance using spectroscopic methods, with applications in studying the Earth's atmosphere and surface from satellites .
- It is used to identify earth surface features and estimate their geo-bio-physical properties using electromagnetic radiation.
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Military Applications:
- Remote sensing is extensively used in military applications, particularly in the infrared spectrum for early warning systems, detection of atmospheric contaminants, precision weapon delivery, and reconnaissance .
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Agriculture and Natural Resource Management:
- Remote sensing is crucial for acquiring statistics on crops, forest monitoring, and subsurface water location in developing countries.
- It provides a better alternative for natural resources management compared to traditional methods, with applications in agriculture, forestry, water resources, and land use.
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Hydrology:
- Remote sensing is used to observe hydrological state variables such as land surface temperature, soil moisture, snow cover, and water quality. It also helps estimate hydrometeorological fluxes like evapotranspiration and snowmelt runoff.
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Mineral Exploration:
- Remote sensing aids in mineral exploration by mapping geology, faults, and fractures, and recognizing hydrothermally altered rocks through their spectral signatures. Techniques like Landsat thematic mapper (TM) satellite images and hyperspectral imaging systems are commonly used .
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Technological Evolution:
- The field has evolved from conventional aerial photography to sophisticated digital multispectral data gathering and analysis, with significant advancements in instrumentation allowing for the recording of a wide spectrum of electromagnetic radiation.
Conclusion
Remote sensing is a versatile and rapidly evolving technology with significant applications across various fields. It enables the measurement and analysis of physical quantities from a distance, providing valuable data for military, agricultural, hydrological, and mineral exploration purposes. The technology's ability to offer a synoptic view and repetitive coverage makes it a superior tool for natural resource management and environmental monitoring.
Sources and full results
Most relevant research papers on this topic
5
Remote sensing applications : An overview
5
190 Citations
2007