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Observation Systems Air-sea Fluxes, Clouds, Precipitation

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Observation Systems Air-sea Fluxes, Clouds, Precipitation. Cloud Radar and Microwave Radiometer. NOAA Ship Ronald H. Brown. NOAA Ship Ronald H. Brown. Ron Brown Mast. NOAA/ESRL Turbulent Flux System. TeraScan visible image with Stratus Buoy (NOAA-18, 20:43 UTC 10/19/2006)

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Presentation Transcript
slide7

TeraScan visible image with Stratus Buoy (NOAA-18, 20:43 UTC 10/19/2006)

GOES, NOAA, DMSP, SeaWiFS, Aqua, etc

slide8

Radiometrics Model 1500

22-30 GHz Continuous water vapor profiles up to 10km, integrated liquid water.

NOAA ESRL also has a Model WVR-1100 (mailbox)

slide12

ILW

IR

PWV

Shortwave

noaa esrl ship observations tao pacs and stratus
NOAA ESRL Ship ObservationsTAO/PACS and Stratus
  • Fall 2001, 2003-07 (6 years) 20˚S, 75-85˚W (Stratus). 2001, 2003-04, ±10˚N, 95˚ and 110˚W (TAO/PACS).
  • Observe:
    • Surface meteorology
    • Turbulent and radiative fluxes
    • Cloud vertical structure: top, base, and LCL.
    • Rawinsonde profiles
    • Column water vapor and liquid water path
    • Aerosols
cruise tracks
Cruise Tracks

PACS: Spring 2000-02

Fall 1999 - 2004

STRATUS 2001, 2003-07

tao pacs heat fluxes 95 110 w

GFDL CM2.1

IROAM

TAO/PACS Heat Fluxes95 & 110˚W

0

0

-40

-40

latent

-80

-80

-120

-120

-160

-160

-12

-8

-4

0

4

8

12

-12

-8

-4

0

4

8

12

0

0

sensible

-10

-10

-20

-20

-12

-8

-4

0

4

8

12

-12

-8

-4

0

4

8

12

Model

TAO buoy

WHOI (1984-2002)

[Yu and Weller 2007]

CORE (1984-2004)

[Large and Yeager 2004]

NOAA ship observations(1999-2002) [Fairall et al. 2008]

0

0

-25

-25

longwave

-50

-50

-75

-75

-12

-8

-4

0

4

8

12

-12

-8

-4

0

4

8

12

300

300

250

250

solar

200

200

150

150

100

100

-12

-8

-4

0

4

8

12

-12

-8

-4

0

4

8

12

200

200

150

150

100

100

net

50

50

0

0

-50

-50

-100

-100

-12

-8

-4

0

4

8

12

-12

-8

-4

0

4

8

12

north latitude

cloud height

2

6

cloud top

6

5

6

1.5

7

4

6

3

7

3

3

5

3

1

5

7

3

6

5

6

6

7

3

4

5

7

3

1

4

4

6

5

4

3

5

4

height (km)

1

1

3

1

7

7

1

1

1

4

cloud base

3

4

6

6

5

1

1

4

5

1

7

7

4

6

3

6

4

7

1

1

5

6

1

6

1

6

3

7

5

7

7

5

5

5

7

4

7

4

1

3

4

0.5

surface LCL

3

4

3

0

-85

-82.5

-80

-77.5

-75

degrees longitude

Cloud height

diurnal

sampling

0

0

0

0

0

250

25

25

25

50

18

6

18

6

18

6

18

6

18

6

12

12

12

12

12

slide21

Effect of stratification and mixing on cloud base

Cloud base above 900 m

decoupled from surface layer

cloud base 10% higher

than LCL

slide22

FY2009 Ron Brown Strawman – Subject to change

DAS Port

Stratus (20S, 85W) Charleston – Arica 53 6

TAO/PACS (95W – 110W, 12N – 12S) Arica – Charleston 41 6

[23 week drydock]

Western Boundary Current Charleston – San Juan 21 3

NTAS / MOVE / NWS (45W, 16N) San Juan – Barbados 15 3

Pirata (38W – 8E, 21N – 19S) Barbados – Charleston 33 3

Total for FY2009 160 20

slide23

FY2010 Ron Brown Strawman – Subject to change

DAS Port

Stratus (20S, 85W) Puenta Arenas – Arica 29 3

TAO/PACS (95W – 110W, 12N – 12S) Arica – Miami 41 6

[10 week drydock]

Western Boundary Current Miami – San Juan 21 3

NTAS / MOVE / NWS (45W, 16N) San Juan – Barbados 16 7

Pirata (38W – 8E, 21N – 19S) Barbados – Miami 33 3

Deep Corals (GOM) Miami – Panama 28 3

CalNex (Southern California) Panama – San Diego 46 5

Vents (East Pacific Rise) San Diego – San Diego 18 3

Total for FY2010 236 29

slide24

NOAA/ESRL operates and maintains a number of systems on the RHB

    • Turbulent and radiative fluxes
    • Microwave radiometer and ceilometer
    • Cloud, wind, and precipitation radars
    • Radiosondes
    • Occasional co-deployment with lidar systems
  • NOAA/ESRL plans numerous deployments the next 3-5 years
  • Deployments depend upon funding (e.g., radiosondes)
  • Other ships are used (UNOLS, Ka’imimoana, USCG ice breakers, etc)
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