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Transcript of Próximo tutorial 4.1 Lectura asignada: Turner et al. 2003. Remote sensing for biodiversity science...
![Page 1: Próximo tutorial 4.1 Lectura asignada: Turner et al. 2003. Remote sensing for biodiversity science and conservation.](https://reader035.fdocuments.in/reader035/viewer/2022070416/5665b4b31a28abb57c93552f/html5/thumbnails/1.jpg)
Próximo tutorial 4.1
Lectura asignada:Turner et al. 2003. Remote sensing for biodiversity
science and conservation.
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Otros instrumentos: Spot
Systeme Pour l’Observation de la Terre
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Características de Spot
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Spot: ángulos de adquisición
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Spot: estereopares
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Escenas de Spot, TM y MSS
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Alta resolución temporal
GOES y AVHRR
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GOES: Geostationary Operational Environmental System
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Características de GOESBanda Rango
(µm)Resolución espacial
Aplicaciones
1 .52-.72 1 km Detección de nubes, contaminación
2 3.8-4.0 4 km Neblina, fuegos, temperatura del mar
3 6.5-7.0 4km Humedad o vientos a media elevación
4 10-11 4 km Lluvia, tormentas
5 11-13 4 km Temp. mar, humedad a baja elevación
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GOES infrarrojo
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GOES-3
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NOAA - AVHRR
Banda Rango Resol. espacial
Aplicaciones
1 .6 - .7 1.1 km Nubes, nieve, hielo
2 .7 – 1.1 1.1 km Agua, vegetación
3 3.6 – 3.9 1.1 km Temp. mar, fuegos
4 10 – 11 1.1 km Temp. mar, humedad suelo
5 11.5 – 12.5
1.1 km Temp. mar, humedad suelo
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Temperatura marina superficial
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Índice de vegetación
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AVHRR
• Cubre el planeta 2 veces al día en órbita polar.
• Utilizado para meteorología y para caracterización de la cubierta terrestre.
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Alta resolución espacial: Ikonos
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Imágenes Ikonos
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Instrumentos activos: LIDAR
Light Detection And Ranging
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LIDAR
• Emite un pulso de luz concentrada.• Mide el tiempo que le toma a la luz
regresar al instrumento nuevamente. • Así se puede calcular la distancia entre el
instrumento y el objeto. • Utilizado para producir perfiles verticales
del terreno, de la vegetación, o del fondo de cuerpos de agua.
• Pero no se transmite através de nubes
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Perfil del dosel
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Instrumentos activos: RADAR
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Bandas de RADAR
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Mayor largo de onda mayor penetración del dosel
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Banda C
Banda L
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RADAR
• Emite un pulso de microondas.• Mide el tiempo que le toma a la microonda
regresar al instrumento nuevamente.• Así se puede calcular la distancia entre el
instrumento y el objeto. • Utilizado para determinar rasgos estructurales
de la vegetación y para modelos de elevación digitales.
• Algunos largos de onda pueden transmitirse através de nubes. Util para zonas lluviosas.