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García-Herrera, Ricardo; Können, Gunther P; Wheeler, Dennis A; Prieto, Maria del Rosario; Jones, Philip D; Koek, Frits B (2010): Meteorological observations during LESPERANCE cruise from Bouton to Surabaya started at 1793-10-04 [dataset]. Nederlands Instituut voor Wetenschappelijke Inform, Amsterdam, Netherland, PANGAEA, https://doi.org/10.1594/PANGAEA.750428, In: Jones, Philip D; Wheeler, Dennis A; Können, Gunther P; Koek, Frits B; Prieto, Maria del Rosario; García-Herrera, Ricardo (2007): Climatological observations from ship logbooks between 1750 and 1854 (release 2.1) [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.611088

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Related to:
García-Herrera, Ricardo; Können, Gunther P; Wheeler, Dennis A; Prieto, Maria del Rosario; Jones, Philip D; Koek, Frits B (2005): CLIWOC: A Climatological Database for the World's Oceans 1750–1854 (and 10 more publications about CLIWOC results in the same volume). Climatic Change, 73(1-2), 1-12ff, https://doi.org/10.1007/s10584-005-6952-6
Funding:
Fifth Framework Programme (FP5), grant/award no. EVK2-CT-2000-00090: Climatological Database for the Worlds Oceans: 1750-1854
Coverage:
Median Latitude: -6.190000 * Median Longitude: 117.450714 * South-bound Latitude: -6.930000 * West-bound Longitude: 113.210000 * North-bound Latitude: -4.740000 * East-bound Longitude: 123.320000
Date/Time Start: 1793-10-04T04:00:00 * Date/Time End: 1793-10-22T04:00:00
Event(s):
LEsperance_17931004_F-1574 * Latitude Start: -4.800000 * Longitude Start: 123.100000 * Latitude End: -6.800000 * Longitude End: 113.290000 * Date/Time Start: 1793-10-04T00:00:00 * Date/Time End: 1793-10-22T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: L'Esperance, Voyage: Bouton - Surabaya, 1st Observer: A. D?Hesmivy D?Auribeau (Kapitein), Company: ADM, Other ship information: HET GEDRUKTE BOEK HEET: RELATION DU VOYAGE A LA RECHERCHE DE LA PEROUSE. HET BETREFT EEN ZEER BEKENDE REIS WAAROVER OP INTERNET VEEL IS GEPUBLICEERD. HET TWEEDE DEEL BEVAT EEN TABEL MET METEREOLOGISCHE GEGEVENS, DEZE IS HIER VERWERKT.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
DATE/TIMEDate/TimeGeocode
LATITUDELatitudeGeocode
LONGITUDELongitudeGeocode
Wind directiondddegWind direction (from which the wind is blowing) in whole degrees from: 1-360; 361 = calm, 362 = variable. It is not clear from many logbook entries whether the wind direction has been corrected for the magnetic variation (or declination). To avoid any misunderstanding, all winds from reports that included a valid position in the period 1750-1854 were corrected. All other wind directions are given without being corrected.
Wind speedffm/scalculated from the descriptive terms of wind force given in the observations
Pressure, atmosphericPPPPhPaNo temperature correction was applied. The following factors have been used for the conversion to hPa: 2.54 cm in an inch; 13.596 specific gravity of mercury; 980.65 cm/s gravity at 45° latitude
Temperature, airTTT°C
CommentCommentOther remarks, that were not possible to put in the other remark fields
DeclinationDecldegIt is generally accepted by the CLIWOC team that the wind directions, reported by the ships officers, were relative to the magnetic North direction. Navigators were well aware of the difference between the true and magnetic north direction, but the compasses (we assumed that the bearing-compasses were mostly used for determining the wind direction) were not always adjusted. Therefore the wind direction has to be corrected. The magnetic declination (or variation, as it is known on board ships) is given for the whole CLIWOC period (1750-1850) for every 5x5 degree square. The number was added to the wind direction to get the true wind direction.
10 Sensor readingReadingarbitrary unitsReading of the (outside) air thermometer
11 Sensor readingReadingarbitrary unitsReading of the air pressure
12 Wind direction descriptionWind dir descrAll reported wind directions on this day. The wind direction is the direction that points to where the wind comes from.
13 Wind force descriptionWind force descrAll reported wind forces on this day
14 Present weatherwwWeather description
15 GustsGusts1 If wind gusts are reported
16 Precipitation/RainRain1 If rain was reported
17 FogFog1 If fog was reported
18 Snow typeSnow1 If snow was reported
19 ThunderThunder1 If thunder and or lightning was reported
20 HailHail1 If hail was reported
21 Sea iceSea ice1 If sea-ice or icebergs were reported
22 IdentificationIDCLIWOC 2.1 line number
Size:
320 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Date/Time

Latitude

Longitude

dd [deg]
(Wind direction (from which th...)

ff [m/s]
(calculated from the descripti...)

PPPP [hPa]
(No temperature correction was...)

TTT [°C]

Comment
(Other remarks, that were not ...)

Decl [deg]
(It is generally accepted by t...)
10 
Reading [arbitrary units]
(Reading of the (outside) air ...)
11 
Reading [arbitrary units]
(Reading of the air pressure)
12 
Wind dir descr
(All reported wind directions ...)
13 
Wind force descr
(All reported wind forces on t...)
14 
ww
(Weather description)
15 
Gusts
(1 If wind gusts are reported)
16 
Rain
(1 If rain was reported)
17 
Fog
(1 If fog was reported)
18 
Snow
(1 If snow was reported)
19 
Thunder
(1 If thunder and or lightning...)
20 
Hail
(1 If hail was reported)
21 
Sea ice
(1 If sea-ice or icebergs were...)
22 
ID
(CLIWOC 2.1 line number)
1793-10-04T04:00-4.74123.321016.128.1VENDEM 12022.50280107.000000000149141
1793-10-05T00:00-4.831014.728.4VENDEM 1322.70280103.000000000149142
1793-10-06T00:001015.428.8VENDEM 1423.00280105.000000000149143
1793-10-07T00:001016.529.1VENDEM 1523.30280108.000000000149144
1793-10-08T00:001015.828.5VENDEM 1622.80280106.000000000149145
1793-10-09T00:001136.7VENDEM 17SSE-ESEJOLI FRAISBEAU0000000149146
1793-10-10T04:00-5.47123.081131016.527.9VENDEM 18022.30280108.00SSE-ESEINÉGALBEAU0000000149147
1793-10-11T04:00-5.88122.022476.71015.827.6VENDEM 19-122.10280106.00S-WSWJOLI FRAISBEAU0000000149148
1793-10-12T04:00-5.82121.141346.71015.028.0VENDEM 20-122.40280104.00SEJOLI FRAISBEAU0000000149149
1793-10-13T04:00-6.14119.771346.71016.527.5VENDEM 21-122.00280108.00E-SEJOLI FRAISTRÈS-BEAU0000000149150
1793-10-14T04:00-6.33118.421346.71016.128.5VENDEM 22-122.80280107.00ESE-SEJOLI FRAISBEAU0000000149151
1793-10-15T04:00-5.94117.261126.71015.428.1VENDEM 23-122.50280105.00ESEJOLI FRAISBEAU0000000149152
1793-10-16T04:00-5.82116.091126.7VENDEM 24-1ESEJOLI FRAISBEAU0000000149153
1793-10-17T04:00-6.36115.141126.71015.829.4VENDEM 25-123.50280106.00ESEJOLI FRAISBEAU0000000149154
1793-10-18T04:00-6.93114.351126.71015.428.8VENDEM 26-123.00280105.00ESEJOLI FRAISBEAU0000000149155
1793-10-19T04:00-6.80113.82446.71015.028.8VENDEM 27-123.00280104.00NEJOLI FRAISBEAU0000000149156
1793-10-20T04:00-6.83113.403146.71014.329.5VENDEM 28-123.60280102.00NWJOLI FRAISBEAU0000000149157
1793-10-21T04:00-6.80113.213596.71014.729.6VENDEM 29-123.70280103.00NNW-NJOLI FRAISBEAU0000000149158
1793-10-22T04:00-6.80113.292241015.429.5VOLGENS DE FRANSE REVOLUTIONAIRE KALENDER ZOU DIT 1 BRUMAIRE II MOETEN ZIJN. VENDEM 30-123.60280105.00NE-SWBEAU0000000149159