Presentation is loading. Please wait.

Presentation is loading. Please wait.

II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Goddard Space Flight Center & Federal University of Vicosa – UFV NOAA – National.

Similar presentations


Presentation on theme: "II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Goddard Space Flight Center & Federal University of Vicosa – UFV NOAA – National."— Presentation transcript:

1 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Goddard Space Flight Center & Federal University of Vicosa – UFV NOAA – National Environmental Satellite, Data, and Information Service - NESDIS REAL TIME SATELLITE RAINFALL ESTIMATION OVER THE AMAZON REGION FOR HYDROLOGICAL APPLICATIONS Gilberto A. Vicente Marcos H. Costa Daniel Vila II International LBA Scientific Conference

2 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Rainfall estimation Temporal resolution n Hourly n Daily n Weekly n Monthly n Seasonally n Yearly Methods n Rain gauges n Radar n Satellites n Models Spatial resolution n 4 km n ¼ degree n ½ degree n 1 degree n 2.5 degrees

3 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Satellite rainfall estimation Radar – Low resolution n PR (TRMM) – twice daily IR-Vis Sensor - High resolution 11 m channel GOES-8 – every ½ hour MW Radiometer - Low resolution n SSMI (DMSP) – twice daily n TMI (TRMM) – twice daily DIRECT INDIRECT

4 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Project earlier objectives n Provide continous real time satellite rainfall estimation over Amazonia n 1-hour average every hour n 3-hour, 6-hour totals every hour n 24-hour accumulation once a day n Resolution: 4 Km by 4 Km n Ease and free products access to users

5 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Autoestimator (Hydro-estimator) Autoestimator (Hydro-estimator) n Operational Algorithm for Flash Flood Applications n Time frame: 0 to 6 hours n How much ??? n Where ??? n Extension of the NOAA/NESDIS AutoEstimator Rainfall Estimation to South America

6 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Autoestimator description n Cloud top temperature n Cloud top growth rate n Cloud top temperature gradient n Precipitable water n Relative Humidity n Wind speed and direction n Orographic correction

7 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Independent building block concept Rain F (IR) Temperaturegradient Growthrate Wind vector & Orograph Precipitable Water Relative Humidity Parallax correction VISIBLE Manual adjustments Ground Info.

8 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 9/1/ Z HEADLINE...FF POTENTIAL HAS SHIFTED TO WESTERN ARIZONA FOR THE NEXT 1-3HRS. AUTOMATIC ESTIMATES Z W ARIZONA COUNTIES... NORTHERN LAPAZ 2.4" SOUTHERN MOHAVE 1.8" Example of the technique application over the US REMARKS...ISOLATED CELL MOVING ACROSS SOUTHERN MOHAVE WITH AUTO ESTIMATES AS MUCH AS 1.8"/HR. EXPECT CELL TO CONTINUE TO THE EAST NORTHEAST FOR THE NEXT FEW HOURS. AUTOESTIMATES LOOK REASOSABLE. WILL CONTINUE TO MONITOR.

9 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Auto-Estimator application for flash flood: HURRICANE MITCH

10 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Rainfall products available in real-time

11 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Easy data distribution in GRADS format n Available every hour for a day 1-hour 3-hour 6-hour n Available once a day and archived since hour ftp://orbit35i.nesdis.noaa.gov/pub/arad/ht/gilberto/B SL/

12 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Centro de Predicción Numérica del Tiempo y Clima - Perú

13 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus User example Date: Tue, 20 Apr :00: From: "Ricardo d´Orsi" Subject: flash flood no Rio de Janeiro Com o sucesso da operacao do Alerta Rio (inaugurado no final do ano de 1996), fomos solicitados a emitir alertas de inundacoes (flash floods), … Dentre os diversos web-sites com informacoes meteorologicas utilizadas pela nossa equipe, o site tem sido de grande ajuda para nos.

14 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus User example From: José Luís Moraes Ribeiro Sent: Thursday, October 19, :45 AM Somos uma compania exportadora de café no interior do estado de São Paulo na cidade de Espirito Santo do Pinhal.Trabalhamos muito diretamente com o produtor e as estiagens do ano passado e a das ultimas duas semanas tem influenciado muito as cotaçoes mundias do produto. Com seu trabalho podemos ter as informaçoes precisas das regiões que recebem mais ou menos chuvas.

15 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus User example - Case study: Argentina/Brazil Daniel A. Vila - Sistema de Alerta Hidrológico de la Cuenca del Plata Instituto Nacional del Agua y del Ambiente (INA) LONGITUD LATITUDLATITUD

16 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Validation - Case study: Argentina/Brazil/Uruguay Daniel A. Vila - Sistema de Alerta Hidrológico de la Cuenca del Plata Instituto Nacional del Agua y del Ambiente (INA) Rainfall satellite estimation for Salto Grande Dam region May 2001

17 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Validation - Case study: Argentina/Brazil/Uruguay Rainfall satellite estimation for Salto Grande Dam region May 2001 Rainfall satellite estimation for Salto Grande Dam region - 31 May / 1 June 2001

18 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Validation - Case study: Argentina/Brazil/Uruguay Observed (mm) Estimated (mm)

19 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Satellite data/products and globalization The Corporate Approach

20 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus TRMM Online Analyses NASA/GSFC – Distributed Active Archive Center

21 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus TRMM Accumulated Rainfall Area PlotTime Plot TRMM Online data analyses

22 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus TRMM Rainfall Rate Area PlotTime Plot TRMM Online data analyses

23 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus GPCP Multisat Product Global Precipitation Climatology Centre (GPCC) Access to online Global precipitation analyses tools

24 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus GPCC/GPCP Multisat Product Various Formats: ASCII ARCVIEW Grid GIF POSTCRIPT PNG Arcview ASCII

25 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Give up ownership: Open source SW System independence: JAVA WEB based: Free data and SW distribution GIS: Make rain estimation one more layer of information WEB – GIS based Data integration and interoperability

26 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus GIS: A tool to connect Hydrology and Meteorology Land use (polygon) Soil Type (polygon) Gage Station (point) Stream (line) Watershed (polygon)

27 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Conclusion n Purpose: Create a system to provide continuous and reliable real-time satellite rainfall rate products to LBA users n Make the products quick and easily accessible through open source software n Provide users with information about other satellite rainfall rate products

28 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Backup Slides

29 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus In progress n Continue with data generation and delivery n Assist users in the search and use of other rainfall data products n Validation effort n Technique calibration n Parallax correction n Comparative study n Student orientation

30 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus COMPUTE SATELLITE RAINFALL RATE IN 1 X 1 DEGREE GRID -10% < ERROR < +10% ERROR +10% T = T - 1 T = T + 1 EXIT Auto-Estimator real-time adjustments with ground information

31 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus same rainfal l rate h1h1 h2h2 h low PW 1 low RH 1 same cloud top temperature high PW 2 high RH 2 PW 2 x RH 2 > PW 1 x RH 1 GROWTH RATE and GRADIENT corrections

32 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Rainfall Contrasts on windward and leeward slopes OROGRAPHIC CORRECTION

33 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Orographic correction: wind x height Estimates with orographic correctionEstimates without orographic correction

34 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Actual Cloud Position Apparent Cloud PositionSatelliteLine-of-Sight Parallax correction

35 II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus PARALLAX CORRECTION


Download ppt "II International LBA Scientific Conference – Gilberto Vicente, 07/02, Manaus Goddard Space Flight Center & Federal University of Vicosa – UFV NOAA – National."

Similar presentations


Ads by Google