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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 ZWALUW cruise from Porte Cabello to Curaçao started at 1818-11-20. Nationaal Archief of the Netherlands, Den Haag, Netherland, PANGAEA, https://doi.org/10.1594/PANGAEA.752987, 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). 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: 11.490000 * Median Longitude: -68.215000 * South-bound Latitude: 11.050000 * West-bound Longitude: -68.350000 * North-bound Latitude: 11.930000 * East-bound Longitude: -68.080000
Date/Time Start: 1818-11-20T00:00:00 * Date/Time End: 1818-11-22T17:00:00
Event(s):
Zwaluw_18181120_MAR_D23905_5332 * Latitude Start: 12.090000 * Longitude Start: -68.310000 * Latitude End: 12.370000 * Longitude End: -68.570000 * Date/Time Start: 1818-11-20T00:00:00 * Date/Time End: 1818-11-22T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Zwaluw (Brik), Voyage: Porte Cabello - Curacao, 1st Observer: J.H. Bolken (Kltz), Company: MAR, Other ship information: BEWAPEND MET 16 CARRONEDES VAN 24 POND EN 2 KANONNEN VAN 6 POND. 103 MAN EQUIPAGE
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
Image number/nameImage no/nameIdentification Number of the original image
LandmarkLandmarkName of first landmark
BearingBearingBearing of the first landmark
LandmarkLandmarkName of second landmark
10 BearingBearingBearing of the second landmark
11 Distance to landmarkDistancearbitrary unitsDistance to the second landmark
12 LandmarkLandmarkName of third landmark
13 BearingBearingBearing of the third landmark
14 Distance to landmarkDistancearbitrary unitsDistance to the third landmark
15 CourseCourseCourse of the ship during the past 24 hours
16 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
17 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.
18 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.
19 Wind force descriptionWind force descrAll reported wind forces on this day
20 Present weatherwwWeather description
21 Precipitation descriptionPrecip descr
22 Cloud typeCloud type
23 GustsGusts1 If wind gusts are reported
24 Precipitation/RainRain1 If rain was reported
25 FogFog1 If fog was reported
26 Snow typeSnow1 If snow was reported
27 ThunderThunder1 If thunder and or lightning was reported
28 HailHail1 If hail was reported
29 Sea iceSea ice1 If sea-ice or icebergs were reported
30 IdentificationIDCLIWOC 2.1 line number
Size:
71 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...)

Image no/name
(Identification Number of the ...)

Landmark
(Name of first landmark)

Bearing
(Bearing of the first landmark)

Landmark
(Name of second landmark)
10 
Bearing
(Bearing of the second landmark)
11 
Distance [arbitrary units]
(Distance to the second landmark)
12 
Landmark
(Name of third landmark)
13 
Bearing
(Bearing of the third landmark)
14 
Distance [arbitrary units]
(Distance to the third landmark)
15 
Course
(Course of the ship during the...)
16 
Distance [arbitrary units]
(Distance travelled during the...)
17 
Decl [deg]
(It is generally accepted by t...)
18 
Wind dir descr
(All reported wind directions ...)
19 
Wind force descr
(All reported wind forces on t...)
20 
ww
(Weather description)
21 
Precip descr
22 
Cloud type
23 
Gusts
(1 If wind gusts are reported)
24 
Rain
(1 If rain was reported)
25 
Fog
(1 If fog was reported)
26 
Snow
(1 If snow was reported)
27 
Thunder
(1 If thunder and or lightning...)
28 
Hail
(1 If hail was reported)
29 
Sea ice
(1 If sea-ice or icebergs were...)
30 
ID
(CLIWOC 2.1 line number)
1818-11-20T00:003381.0MAR_D23905_5331_0044PUNT VAN FUCACAS (ZONSONDERGANG)NW 1/2 NKASTEEL BERG KIJKUIT (ZONSONDERGANG)ZOTOGUAIGUARA (ZONSONDERGANG, N-HOEK)ZTWZ-NNWFLAUWE KOELTEGOED WEER0000000286675
1818-11-21T17:0011.05-68.081074.6MAR_D23905_5331_0044PUNT FUCACASZW 1/2 ZBONAIRE (PUNT DE LACRE)NTO 1/2 O15KLEIN CURACAON 1/3 W156O-OTZONGESTADIGE MARSZEILSKOELTE, BRAMZEILSKOELTE EN MINDERE KOELTEMET DONDERREGENBUIENBETROKKEN LUCHT1100100286676
1818-11-22T17:0011.93-68.351194.6MAR_D23905_5331_0045BONAIRE W-HOEKW 1/2 NBONAIRE (O-HOEK)NNO 3/4 OKLEIN CURACAO(GIS)NWTW 1/3 W4N 1/3 W14.756O-OZOONGESTADIGE BRAMZEILSKOELTEBUIIGE LUCHTMET EEN WEINIG REGENOPKLARENDE1100000286677