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Lidar and Airborne Laser Scanning
Light detection and ranging (LiDAR), also known as airborne laser scanning, is an active remote sensing technology that measures distances between the sensor and points on the surface and stores the geographic location of those ground points.
Measurement Method
LiDAR systems use pulses of light amplified by stimulated emission of radiation (laser). The time that lapses between emitting a laser pulse, the reflection of the pulse off of a surface, and its subsequent return to the sensor is used to determine the distance to the surface from the sensor in the equation: Distance = (Rate × Time)/2, where Rate is equal to the speed of light and Time is the aforementioned lapse of time for a pulse to return to the sensor. A global positioning system (GPS) ...
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- Nyerges, Timothy
- Okabe, Atsuyuki
- Olsson, Gunnar
- Ortelius
- Parsons, James
- Peet, Richard
- Penck, Walther
- Peuquet, Donna
- Pickles, John
- Powell, John Wesley
- Pred, Allan
- Ptolemy
- Raisz, Erwin
- Ratzel, Friedrich
- Reclus, Élisée
- Relph, Edward
- Ritter, Carl
- Rose, Gillian
- Sauer, Carl
- Schaefer, Fred
- Scott, Allen
- Semple, Ellen Churchill
- Smith, Neil
- Soja, Edward
- Storper, Michael
- Strabo
- Strahler, Arthur
- Sui, Daniel
- Taylor, Griffith
- Taylor, Peter
- Thales
- Thornthwaite, C. Warren
- Thrift, Nigel
- Tobler, Waldo
- Tomlinson, Roger
- Trewartha, Glenn
- Troll, Carl
- Tuan, Yi-Fu
- Turner, Billie Lee, II
- Unwin, David
- Vance, James
- Varenius
- Vidal de la Blache, Paul
- Virilio, Paul
- Waldseemüller, Martin
- Walker, Richard
- Watts, Michael
- Weber, Alfred
- White, Gilbert
- Whittlesey, Derwent
- Wilson, John
- Wittfogel, Karl
- Wood, Denis
- Wright, Dawn
- Wright, John Kirtland
- Zelinsky, Wilbur
- People, Organizations, and Movements: Geographical Organizations
- American Geographical Society
- Association of American Geographers
- Association of Geographic Information Laboratories for Europe
- Canadian Association of Geographers
- Conference of Latin Americanist Geographers
- Institute of British Geographers
- International Geographical Union
- National Center for Geographic Information and Analysis
- National Council for Geographic Education
- National Geographic Society
- Open Geospatial Consortium (OGC)
- Open Source Geospatial Foundation
- Regional Science Association International (RSAI)
- Royal Geographical Society
- Russian Geographical Society
- University Consortium for Geographic Information Science
- People, Organizations, and Movements: Political and Economic Organizations
- African Union
- Asia-Pacific Economic Cooperation
- Association of Southeast Asian Nations
- Commonwealth of Independent States
- Council for Mutual Economic Assistance (COMECON)
- European Union
- Food and Agriculture Organization (FAO)
- International Criminal Court
- International Monetary Fund
- National Aeronautics and Space Administration (NASA)
- North American Free Trade Agreement (NAFTA)
- North Atlantic Treaty Organization (NATO)
- Organisation for Economic Co-operation and Development (OECD)
- Organization of the Petroleum Exporting Countries (OPEC)
- United Nations
- World Bank
- World Court
- World Trade Organization (WTO)
- People, Organizations, and Movements: Scientific Organizations
- People, Organizations, and Movements: Social Movements
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