INSTITUTO DEL MAR DEL PERU REMOTE SENSING LABORATORY HIGH RESOLUTION AVHRR SST IN PERUVIAN COAST Carlos Paulino and Luis Escudero 25 June, 2010
Outline Introduction HRPT receive station HRPT system overview Line time data set Data and preprocessing Result Other applications Summary
High Resolution Sea Surface Temperature (SST) products in real time from AVHRR radiometer sensor on board NOAA polar satellites with 1 km spatial resolution received for the Instituto del Mar del Peru (IMARPE), since The information is used in diverse research field like monitoring events: El Niño (ENSO) La Niña, Upwelling and others. INTRODUCTION
RECEIVING STATION OF SATELLITE IMAGES HRPT (High Resolution Picture Transmission) CAPTURE REFERENCE REPORT & MAPS ANALYSISPROCESSING
HRPT station The HRPT station receive NOAA satellite data from 12, 14, 16, 17 y 18. The images have a raw format *.HRP km resolution at nadir km by swath The received data since 1998 are recorded Cds. La estación HRPT include: -Antenna GPS (Trimble) -Dish antenna -Feed Horn/Downconverter -Demodulator -COMPAQ server 2. HRPT System Overview
DATA AND PREPROCESSING LOCAL SST OCEANOGRAPHIC ANALYSIS DATA SATELLITE PROGRAMATION BEST RAW DATA SELECTION BAND 3-5 CALIBRATION PROCESSING CLOUD MASKING - SST GEORREFERENCING SST DATA SMARTrack Software ….. 1B SST algorithm used
Infra-Red Band ( µm)
DIGITAL IMAGE PROCESSING Visible band (1) L0 image SST
SST AVHRR local NOAA 16 Users...? Cloud...!!!
SST AVHRR local NOAA 16
SST AVHRR local NOAA 16 NOAA 12
SST AVHRR local NOAA 16 NOAA 12
SST AVHRR local NOAA 16
SST AVHRR local
Upwelling Eddies Identifing ocean strutures?
Line time AVHRR data set
SST NAVO k10
SST MODIS
Other environmental sensors used: - Thermal sensor (SST, thermal fronts, eddies) NOAA, GOES (weather) - Ocean Color Sensor (Chlrophyll 'a', primary production) SeaWiFS, Aqua-Modis - Sensor altimetry (sea level, currents, wave height) Topex Poseidon, Jason 1 - Scatterometer sensor (winds at different height levels, surface, 500m, 1000m) QuickScat (nov 09)
SATELLITE MONITORING OF "LA NIÑA“ LAKE FOREST FIRESDETECTION FOREST FIRES DETECTION AVHRR OTHERS APPLICATION WITH AVHRR SENSOR
Summary SST from AVHRR is a good tool for detecting oceans Structures like eddie, fronts, etc… The images are used to forecast events like NIÑO SST image is principaly used for fishers AVHRR images are usefull for coastal applications Future Improve the use of split windows algorithm Develop sst information for scientific community Open framework and Share information with GHRSST community
Thanks