dr. fernando gilbes santaella uprm …
TRANSCRIPT
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DR. FERNANDO GILBES SANTAELLADR. FERNANDO GILBES SANTAELLAUPRMUPRM--DEPARTAMENTO DE GEOLOGIADEPARTAMENTO DE GEOLOGIA
PAGINA WEB: CACIQUE.UPRM.EDU/GERSPAGINA WEB: CACIQUE.UPRM.EDU/GERS
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CAMBIANDO NUESTRA PERSPECTIVACAMBIANDO NUESTRA PERSPECTIVA
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LA PARGUERA DESDE UN AVIONLA PARGUERA DESDE UN AVION
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LA PARGUERA DESDE EL ESPACIOLA PARGUERA DESDE EL ESPACIO
ThematicThematic MapperMapper
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PUERTO RICO DESDE EL TRANSBORDADORPUERTO RICO DESDE EL TRANSBORDADOR
TODO TIENE QUE VER CON LAS ESCALASTODO TIENE QUE VER CON LAS ESCALAS
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EL PLANETA AZULEL PLANETA AZUL
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¿¿QUE ES PERCEPCION REMOTA?QUE ES PERCEPCION REMOTA?
““Es la Es la tecnicatecnica de de obtenerobtenerinformacioninformacion de un de un objetoobjeto sin sin estarestar en en contactocontacto directodirecto con el."con el."
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REFLECCION DE COLORES
Percepcion Remota esta basada en los cambiosque sufre la radiacion electromagnetica.
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REFLECCION DE COLORESREFLECCION DE COLORES
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MIDIENDO LA SEMIDIENDO LA SEÑÑAL REMOTAAL REMOTA
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HISTORIA DE LAHISTORIA DE LAPERCEPCION REMOTAPERCEPCION REMOTA
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SENSORES REMOTOSSENSORES REMOTOS
Sensores Sensores PasivosPasivos•• CamarasCamaras AereasAereas•• Visible y Visible y TermalesTermales
Sensores Sensores ActivosActivos•• MicroondasMicroondas (Radar)(Radar)•• AcusticosAcusticos
PlataformasPlataformas = = SatelitesSatelites, , AvionesAviones, , BotesBotes
Sensores = Sensores = InstrumentosInstrumentos en en laslas plataformasplataformas
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PROCESOS QUE AFECTANPROCESOS QUE AFECTANLA SELA SEÑÑAL EN EL OCEANOAL EN EL OCEANO
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DIFERENTES CAPASDIFERENTES CAPAS
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Reflected Bottom Radiance
Water Column Reflected Radiance
Reflected Bottom Radiance
Water Column Reflected Radiance
FromNEMO OverviewNemo.nrl.navy.gov
• Inherent Optical Properties• Bottom Reflectance
What we Measure
What we want
SEPARANDO LA SESEPARANDO LA SEÑÑAL REMOTAAL REMOTA
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OpticalComponentsOf Seawater
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FITOPLANCTONFITOPLANCTON
FotosintesisFotosintesis
Color Del Color Del OceanoOceano
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SeaSea--viewing Wide Fieldviewing Wide Field--ofof--view Sensorview Sensor
(SeaWiFS)(SeaWiFS)
Banda Largo de Onda1 4122 4433 4904 5105 5556 6707 7658 865
FitoplanctonFitoplancton ChlChl--aa
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ESTIMACION GLOBAL DE FITOPLANCTONESTIMACION GLOBAL DE FITOPLANCTONUSANDO SENSORES DE COLOR DEL OCEANOUSANDO SENSORES DE COLOR DEL OCEANO
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Advanced Very High Resolution RadiometerAdvanced Very High Resolution Radiometer
(AVHRR)(AVHRR)
BandaBanda Largo de Largo de OndaOnda11 0.580.58--0.680.6822 0.720.72--1.101.1033 3.553.55--3.933.9344 10.510.5--11.511.555 11.511.5--12.512.5
TemperaturaTemperatura Superficial del Superficial del OceanoOceano (SST)(SST)
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ESTUDIOS ATMOSFERICOSESTUDIOS ATMOSFERICOS
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TEMPERATURA SUPERFICIAL DEL OCEANO TEMPERATURA SUPERFICIAL DEL OCEANO
USANDO EL AVHRRUSANDO EL AVHRR
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ESTUDIOS OCEANICOSESTUDIOS OCEANICOS
AVHRRAVHRRTemperaturaTemperatura Superficial del Superficial del OceanoOceano
SeaWiFSSeaWiFSClorofilaClorofila--a de a de FitoplactonFitoplacton
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Moderate Resolution Imaging SpectroradiometerModerate Resolution Imaging Spectroradiometer
(MODIS)(MODIS)
36 36 bandasbandas del visible al del visible al infrarojoinfrarojoResolucionResolucion EspacialEspacial•• 250 m (250 m (bandasbandas 11--2)2)•• 500 m (500 m (bandasbandas 33--7)7)•• 1000 m (1000 m (bandasbandas 88--36)36)
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TemperaturaTemperaturaSuperficialSuperficialDel Del OceanoOceano
Clorofila-aDe
Fitoplancton
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1. On board of EO-1 Satellite2. Launched on November 20003. 220 spectral bands (0.4 to 2.5 µm)4. 7.5 km by 100 km land area5. 30 meter spatial resolution
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EstudiosEstudios dedeArrecifesArrecifes de Coralde Coral
En La PargueraEn La Parguera
EstudiosEstudios dedeCalidadCalidad de de AguaAgua En En
La La BahiaBahia de San Juande San Juan
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EstudiosEstudios con Sensores de con Sensores de AvionesAvionesAOCI90’s
ATLAS2004
AVIRIS2004
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AIRBORNE VISIBLE/INFRARED IMAGING SPECTROMETERAIRBORNE VISIBLE/INFRARED IMAGING SPECTROMETER
AVIRISAVIRIS
224 Spectral BandsRange from 400 to 2500 nmStrip lines of 11 km wideSpatial resolution from 4 m to 20 m
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MISION DE AVIRIS EN PUERTO RICOMISION DE AVIRIS EN PUERTO RICO19 DE AGOSTO DE 200419 DE AGOSTO DE 2004
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Bahia de Mayaguez
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Bahia de San Juan
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Isla de Vieques
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ObtenidoObtenido de Goodman et al. (2005) AVIRIS Workshop 2005de Goodman et al. (2005) AVIRIS Workshop 2005
SeparacionSeparacion EspectralEspectral de de SeSeññalesalesImagen de AVIRIS
Sand
AlgaeCoral
Composicion de Habitaculos Benticos
8/19/2004 9:36 am W8/19/2004 9:36 am W--EE
8/19/2004 10:18 am E8/19/2004 10:18 am E--WW
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Banda Banda PancromaticaPancromatica (1 m)(1 m) BandasBandas EspectalesEspectales (4 m)(4 m)
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Viejo San Juan
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Bahia de Mayaguez
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Rio Añasco
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El Combate
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Arecibo
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La Parguera
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Bahia Mosquito, Vieques
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EL OCEANO DESDE EL ESPACIO EL OCEANO DESDE EL ESPACIO USANDO UN SENSOR ACTIVOUSANDO UN SENSOR ACTIVO
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