CUpEx: Chilean Upwelling Experiment Tongoy (30 S), 21 Nov 5 Dic 2009

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1 CUpEx: Chilean Upwelling Experiment Tongoy (30 S), 21 Nov 5 Dic 2009 René D. Garreaud1, José Rutllant1,2, Ricardo Muñoz1, David Rahn1, Marcel Ramos2 and Dante Figueroa3 (1) Department of Geophysics, Universidad de Chile (2) Center for Advanced Studies in Arid Zones (CEAZA), Chile (3) Department of Geophysics, Universidad de Concepción

2 VOCALS VAMOS Ocean, Cloud, Atmosphere, Land study Arica Iquique Antofagasta VOCALS-Rex 2008 Sc Deck Lengua de Vaca San Felix VOCALS-CUpEx 2009 Coastal Jet Valparaiso Santo Domingo Radiosonde Station Enhanced Meteorological obs. Aerosol Measurements Port R/V Airborne MBL obs. Radiosonde obs.

3 List of projects and institutions supporting CUpEx Platform & Instruments PIs Funding AIMMS-20 on BE90 AWS, Radiosondes at Tongoy and Talcaruca Tongoy bay buoy and AWS Islote Pajaros R. Garreaud (DGF) J. Rutllant (DGF) R. Muñoz (DGF) M. Ramos (CEAZA) FONDECYT-Grant , DGF-UCH, DGAC FONDECYT-Grant , DMC, CNE, DGF-UCH CEAZA, INOVA-Corfo, ACT19-R19 (PBCT) Surface Current Radars D. Figueroa (DGEO) FONDEF-Grant D03I-1104 Ocean & coastal moorings O. Pizarro (DGEO) M. Ramos (CEAZA) FONDECYT-Grant FONDECYT-Grant DGF : Department of Geophysics, Universidad de Chile DGEO: Department of Geophysics, Universidad de Concepción CEAZA: Centro de Estudios Avanzados de Zonas Aridas DGAC: Dirección General de Aeronautica Civil DMC: Dirección Meteorológica de Chile CNE: Comisión Nacional de Energía

4 Goals of Fondecyt (Garreaud, Muñoz, Rutllant) Understand the alongshore structure of the MBL and its diurnal cycle

5 30 S VOCALS CUpEx 21 Nov 6 Dic 2009 Islote Pajaros 30 km Punta Lengua de Vaca Talcaruca Tongoy La Serena Andes Mts 71 W Surface current radar Surface Met (T,RH,Wind,SR,p) Radiosonde station (2 daily) Ceilometer Coastal bouy (T,RH,Wind,SR,p) Shore SST Ocean mooring (T every 10 m) BE90 with AIMMS-20

6 3.8 m Wind speed and direction at LdV (DGF) Nov Dec 2009 Wind Speed m/s R1 R2 Wind Direction º CUpEx

7 Synoptic variability during CUpEx: ASCAT 10 m winds 12Z 24-Nov 12Z 01-Dec 12Z 04-Dec Low Wind HighWind Low Wind

8 Synoptic variability during CUpEx PGF 1 p Cd 2 v y H v

9 Tongoy & Talcaruca data during CUpEx R1 R2

10 Synoptic variability during CUpEx: SSMI SST High wind SST field [C] Low - High wind SST field [C]

11 R1 R2 Buoy T5 ChAc SST TCR SST LdV Ta LdV Wspd mm/dd Synoptic variability during CUpEx: Local SST & wind

12 Synoptic variability during CUpEx: Local T(Ocean) & wind R1 R2

13 Synoptic variability during CUpEx: Local T(Ocean) & wind: Summer transition?

14 Synoptic variability during CUpEx: MBL & TI

15 Synoptic variability during CUpEx: Clouds

16 Mean diurnal cycle during CUpEx: Sfc winds

17 Mean diurnal cycle during CUpEx: Sfc winds (WRF 3km)

18 Mean diurnal cycle during CUpEx: Sfc winds WERA HF Radar Antenas receptoras D. Figueroa, DGEO-UdeC

19 Mean diurnal cycle during CUpEx: Upper air data Tongoy (note large PM warming) & Talcaruca (note double jet structure) AM PM

20 Alongshore Structure (71.6W) Mean diurnal cycle during CUpEx: WRF Upper air data v,w (arrows) Theta (contours) U-wind (colors) v,w (arrows) Theta (contours) U-wind (colors) dtheta (colors) du-wind (contours)

21 Mean diurnal cycle during CUpEx: Sfc+Upper air data PM-AM Wind difference PM-AM Sfc Presure & 300 m Temp

22 SQ1-Climatological near-coastal wind máxima around 30 S: 70 W 74 W 72 W Structure? Wind-SST feedback or expansion fan Effect? 28 S J1 J2 Expansion Fan? Aircraft zonal coastal jet missions Radiosonde from R/V Modeling: control(?) + sens. runs 30 S SST Front Max Upwelling Min SST 32 S Coastal Jet Core: v p/ y

23 New Conceptual Model for Coastal Jet

24 4500 ft Espiral 500 ft 40 km, 10 min 4500 ft Fase 4 WP5-SESC 500 ft 40 km, 10 min Fase 2 Fase 3 Espirales y Porposing (800 ft/min por 5 min) WP2-WP5

25 Proyecto AIMMS 20 en BE90 Laptop + Programa CPM + IMU + GPS CPM Switch Heater Switch ADP GPS x 2

26 Misión Met 4 Cubierto BE90 Track (hacia y desde La Serena) GOES-13 Visible y Temperatura del Aire 4500 pies 500 pies 18 C 5 C Despejado

27 Misión Met 4

28 What next? Complete Data base (Radar, TSM, Islote Pajaros, etc ) Mision BE90 - Tongoy Overview paper (ACP) Specific papers CUpEx II?

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