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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 INCONNU-2 cruise from Mahe to Trincomalee started at 1837-07-10 [dataset]. Centre d'Accueil et de Recherche des Archives Nationales, Paris, France, PANGAEA, https://doi.org/10.1594/PANGAEA.749771, 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: 1.920000 * Median Longitude: 70.038333 * South-bound Latitude: -4.080000 * West-bound Longitude: 55.330000 * North-bound Latitude: 7.880000 * East-bound Longitude: 82.200000
Date/Time Start: 1837-07-10T08:00:00 * Date/Time End: 1837-07-23T00:00:00
Event(s):
Inconnu-2_18370710_COTE_5/JJ/168-1 * Latitude Start: -4.080000 * Longitude Start: 55.330000 * Latitude End: 8.620000 * Longitude End: 81.600000 * Date/Time Start: 1837-07-10T00:00:00 * Date/Time End: 1837-07-23T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Inconnu-2, Voyage: Mahé - Trincomalee
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
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.
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.
Wind force descriptionWind force descrAll reported wind forces on this day
10 Present weatherwwWeather description
11 Precipitation descriptionPrecip descr
12 State of the sea descriptionState sea descr
13 GustsGusts1 If wind gusts are reported
14 Precipitation/RainRain1 If rain was reported
15 FogFog1 If fog was reported
16 Snow typeSnow1 If snow was reported
17 ThunderThunder1 If thunder and or lightning was reported
18 HailHail1 If hail was reported
19 Sea iceSea ice1 If sea-ice or icebergs were reported
20 IdentificationIDCLIWOC 2.1 line number
Size:
202 data points

Data

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


Date/Time

Latitude

Longitude

dd [deg]

ff [m/s]

Comment

Decl [deg]

Wind dir descr

Wind force descr
10 
ww
11 
Precip descr
12 
State sea descr
13 
Gusts
14 
Rain
15 
Fog
16 
Snow
17 
Thunder
18 
Hail
19 
Sea ice
20 
ID
1837-07-10T08:00-4.0855.331526.7APAREILLÉ-6AU SSEJOLIE BRISEBEAU TEMPSBELLE0000000114911
1837-07-11T08:00-1.9556.761306.7-5AU SE ET SSEBELLE BRISENUAGEUXHOULEUSE0000000114912
1837-07-12T08:00-0.5259.301546.7-4AU SSE ET SSOJOLIE BRISENUAGEUX0000000114913
1837-07-13T08:000.3761.78221-4AU SOBRISE MOLLECOUVERT ET GRAINSPLUIE PAR INTERVALLESHOULEUSE0100000114914
1837-07-14T00:000.43315AU NO ET SSEBRISE INÉGALPLUVIEUX ET GRAINSPLUIE PAR INTERVALLES0100000114915
1837-07-15T08:001.0866.93201-2AU SSOBRISE INÉGALBEAU TEMPS ET NUAGEUXHOULEUSE0000000114916
1837-07-16T07:001.2769.532246.7-1AU SOJOLIE BRISECOUVERT ET BEAU TEMPSHOULEUSE0000000114917
1837-07-17T07:001.1272.682700AU O ET OSOTRÉS VARIABLE ET PRESQUE CALMECOUVERTPLUIE PAR INTERVALLESHOULEUSE0100000114918
1837-07-18T07:001.8275.082930AU ONOGRENASSEASSEZ COUVERTPLUIE PAR INTERVALLES0100000114919
1837-07-19T07:003.4078.462946.71AU ONOBELLE BRISECOUVERT ET GRAINSPLUIE0100000114920
1837-07-20T07:005.6580.753166.71AU NOJOLIE FRAISNUAGEUXBELLE0000000114921
1837-07-21T07:007.0082.202499.31AU OSOBON FRAISBEAU TEMPS ET BRUMEUX0000000114922
1837-07-22T07:007.8881.6613612.31AU SE ET EFRAICHEURBEAU TEMPS0000000114923
1837-07-23T00:001136.7AU ESEJOLIE BRISEBEAU TEMPS0000000114924