World meteorological organization data buoy cooperation panel annual report for


Spatial Coverage of GTS Data (August 2002 to July 2003)



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Spatial Coverage of GTS Data

(August 2002 to July 2003)




Figure 5


Figure 6



ANNEX IV
Distribution of GTS and non-GTS platforms by country
Graph-1: Drifting Buoys and those on GTS by country:

Graph-2: Moored Buoys in the high seas (plus US and Canadian buoys and moorings reporting via Argos) and those on GTS by country:

ANNEX V
Map 1: Drifting and Moored buoys reporting SST, Air Pressure, or Wind on GTS in August 2003:



Map 2: Buoys reporting on GTS in August 2003 by country:

Map 3: Ocean platforms reporting Sub-surface Temperature on GTS in June 2003

ANNEX VI
Graph 1: Evolution of number of air pressure observations distributed on GTS per month for the period June 2002-July 2003 (from ECMWF monitoring statistics)


Graph 2: Evolution of mean RMS (Obs.-First guess) per month for the period June 2002 to July 2003 for global GTS air pressure data (from ECMWF monitoring statistics)

Graph3: Histogram of distribution of RMS (Obs. - First Guess) for the period 03/2002 to 08/2003.

ANNEX VII
Proposed template for GTS distribution of buoy data in BUFR

(adopted as “pre-operational” by ET/DRC, Arusha, February 2003)





Descriptor

Order

Forced value

Forced missing

Name

Comment

001003

1







WMO region




001020

2







WMO region sub-area




001005

3







Buoy/platform identifier




002001

4







Type of station




002036

5







Buoy type




002149

6







Type of data buoy




301011

7







Date




301012

8







Time




008021

9

26




Time significance

Value = “26” (time of last known position)

301011

10







Date




301012

11







Time




008021

12




Y

Time significance

Value = “missing”

301021

13







Latitude and longitude (high accuracy)




027004

14







Alternate latitude (high accuracy)




028004

15







Alternate longitude (high accuracy)




007030

16







Height of station above MSL




001051

17







Platform Transmitter ID (CCITT IA5)




002148

18







Data collection and/or Location system




001012

19







Platform drift direction




001014

20







Platform drift speed




002040

21







Method of removing platform direction and speed from current




033022

22







Quality of buoy satellite transmission




033023

23







Quality of buoy location




033027

24







Location quality class (range of radius of 66% confidence)




022063

25







Total water depth




302021

26







Waves




302022

27







Wind waves




302023

28







Swell waves




008081

29

3




Type of equipment (observing platform)

Equipment = “platform”

025026

30







Battery voltage




008081

31

1




Type of equipment (transmitter)

Equipment = “transmitter”

025026

32







Battery voltage




008081

33

2




Type of equipment (receiver)

Equipment = “receiver”

025026

34







Battery voltage




008081

35




Y

Type of equipment – value Missing = cancel

Value = “missing”

002034

36







Drogue type




022060

37







Lagrangian drifter drogue status




007070

38







Drogue depth




002190

39







Lagrangian drifter submergence




025086

40







Depth correction indicator




002035

41







Cable length




002168

42







Hydrostatic pressure of lower end of cable




020031

43







Ice deposit (thickness)




002038

44







Method of temperature and/or velocity measurement




306004

45







Digitization, depth/salinity method, depths/salinities/temperatures




002030

46







Method of current measurement




306005

47







Time/duration of current measurement, depths/directions/speeds




007031

48







Height of barometer above MSL




008081

49

0




Type of equipment (sensor)

Equipment = “sensor”

012064

50







Instrument temperature




302001

51







Pressure and pressure change




008081

52




Y

Type of equipment – value missing = cancel

Value = “missing”

007032

53







Height of sensor above marine deck platform (for temp.&hum. measurement)

Here height of thermometer

007033

54







Height of sensor above water surface (for temp.&hum. measurement)

Here height of thermometer

012101

55







Dry-bulb temperature (scale 2)




012103

56







Dew-point temperature (scale 2)




013003

57







Relative humidity




007032

58







Height of sensor above marine deck platform (for wind measurement)

Here height of anemometer

007033

59







Height of sensor above water surface (for wind measurement)

Here height of anemometer

008082

60







Artificial correction of sensor height to another value




007033

61







Height of sensor above water surface (here height of anemometer to which it is artificially corrected)

Here height of anemometer to which it is artificially corrected

002169

62







Anemometer type




002002

63







Type of instrumentation for wind measurement




008021

64

2




Time significance

Value = “2” (time averaged)

004025

65







Time period in minutes




011001

66







Wind direction




011002

67







Wind speed




008021

68




Y

Time significance

Value = “missing”

004025

69







Time period in minutes




011043

70







Maximum wind gust direction




011041

71







Maximum wind gust speed




008082

72




Y

Artificial correction of sensor height to another value (set to missing to reset previous value)

Value = “missing”

007033

73




Y

Height of sensor above water surface (set to missing to cancel previous value)

Redefine height to previous level

007032

74







Height of sensor above marine deck platform (for precipitation measurement)

Here height of precipitations

004024

75







Time period in hours




013011

76







Total precipitation




007032

77




Y

Height of sensor above marine deck platform (set to missing to cancel the previous value)

Value = “missing”

008021

78

3




Time significance

Value = “3” (accumulated)

004024

79







Time period in hours




014021

80







Global radiation, integrated over period specified




008021

81




Y

Time significance

Value = “missing”

025028

82







Operator or manufacturer defined parameter (#1)




025028

83







Operator or manufacturer defined parameter (#2)




025028

84







Operator or manufacturer defined parameter (#3)




ANNEX VIII


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