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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 Geertuijda en Christina cruise from Middelburg to Kust van Guinea en Suriname started at 1784-06-20 [dataset]. Rijksarchief Zeeland, Middelburg, Netherland, PANGAEA, https://doi.org/10.1594/PANGAEA.749389, 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: 3.109000 * Median Longitude: 0.320000 * South-bound Latitude: 1.320000 * West-bound Longitude: -2.930000 * North-bound Latitude: 4.530000 * East-bound Longitude: 4.250000
Date/Time Start: 1784-06-20T00:00:00 * Date/Time End: 1784-07-01T00:00:00
Event(s):
Geertuijda_en_Christina_17840620_MCC_20_429 * Latitude Start: 51.460000 * Longitude Start: 3.330000 * Latitude End: 8.470000 * Longitude End: -13.500000 * Date/Time Start: 1784-06-20T00:00:00 * Date/Time End: 1784-07-01T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Geertuijda En Christina (Fregat), Voyage: Middelburg - Kust Van Guinea En Suriname, 1st Observer: Cornelis Van Kakom (Schipper), Company: MCC, Other ship information: AFMETINGEN VAN HET SCHIP: 90 VOETEN LANG, 11 VOETEN EN 9 DUIM HOL EN 27 VOET EN 6 DUIM DIEP. TUSSENDEK 15 VOET 2 DUIM. INHOUD 106,5 LASTEN. BEMAND MET 37 KOPPEN, BEWAPEND MET 8 KANONS VAN 3 PONDEN EN 8 KANONS VAN 1/2 POND
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
Distance to landmarkDistancearbitrary unitsDistance to the first landmark
10 --1 If position is considered to be coastal (in port or near coastal disturbances)
11 WatchWatchName of the period of 4 hours which is known as a watch or duty on board ships
12 GlassesGlassesNumber of glasses within a watch; one watch equals 8 glasses
13 CommentCommentLife on board
14 CourseCourseCourse of the ship during the past 24 hours
15 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
16 CommentCommentOther remarks, that were not possible to put in the other remark fields
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 ClearnessClearness
24 GustsGusts1 If wind gusts are reported
25 Precipitation/RainRain1 If rain was reported
26 FogFog1 If fog was reported
27 Snow typeSnow1 If snow was reported
28 ThunderThunder1 If thunder and or lightning was reported
29 HailHail1 If hail was reported
30 Sea iceSea ice1 If sea-ice or icebergs were reported
31 IdentificationIDCLIWOC 2.1 line number
Size:
228 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)

Distance [arbitrary units]
(Distance to the first landmark)
10 
-
(1 If position is considered t...)
11 
Watch
(Name of the period of 4 hours...)
12 
Glasses
(Number of glasses within a wa...)
13 
Comment
(Life on board)
14 
Course
(Course of the ship during the...)
15 
Distance [arbitrary units]
(Distance travelled during the...)
16 
Comment
(Other remarks, that were not ...)
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 
Clearness
24 
Gusts
(1 If wind gusts are reported)
25 
Rain
(1 If rain was reported)
26 
Fog
(1 If fog was reported)
27 
Snow
(1 If snow was reported)
28 
Thunder
(1 If thunder and or lightning...)
29 
Hail
(1 If hail was reported)
30 
Sea ice
(1 If sea-ice or icebergs were...)
31 
ID
(CLIWOC 2.1 line number)
1784-06-20T00:00MCC_20_429_00401LICHTEN HET ANKER OP DE REDE VAN ELMINA. VERTROKKEN RICHTING RIO GABON.000000099464
1784-06-21T12:004.53-2.932082.6MCC_20_429_0040VM8OZO10.00-17ZZW-ZWGEMENE KOELTE OOK LABBERKOELTEGOED WEERKLARE LUCHT000000099465
1784-06-22T12:004.35-2.431622.6MCC_20_429_0040VM8OZO8.00-18ZZO-ZGEMENE KOELTE OOK LABBERKOELTESOMTIJDS REGENDEIJSIGE LUCHT010000099466
1784-06-23T12:004.50-1.781852.6MCC_20_429_0040VM8OZO10.50-18ZZWLABBERKOELTE OOK GEMENE KOELTEREGENBUIÏGE LUCHT110000099467
1784-06-24T12:004.25-0.981852.0MCC_20_429_0041VM8OZO 1/2 O12.50-18ZZWAFNEMENDE KOELTE000000099468
1784-06-25T12:003.90-0.321962.6MCC_20_429_0041VM8ZOTO 1/2 O11.50-18Z-ZWTZGEMENE KOELTEGOED WEERKLARE LUCHT000000099469
1784-06-26T12:002.580.201962.6MCC_20_429_0041VM8ZO11.00-18Z-ZWTZGEMENE KOELTEGOED WEERKLARE LUCHT000000099470
1784-06-27T12:002.181.351852.6MCC_20_429_0041VM8OZO 1/2 O18.00-18ZZWGEMENE KOELTEGOED WEER000000099471
1784-06-28T12:001.852.321962.6MCC_20_429_0041VM8OZO 1/2 O15.00-18ZWTZGEMENE KOELTE OOK FRISSE KOELTEGOED WEER000000099472
1784-06-29T12:001.633.521844.6MCC_20_429_0042NW HOEK EILAND PRINCEZ31VM8O 1/2 Z18.00-19ZTW-ZZWFRISSE TOT GEMENE BRAMZEILSKOELTE000000099473
1784-06-30T12:001.324.251841.0MCC_20_429_0042VM8OZO12.00-19ZZWFRISSE KOELTEGOED WEER000000099474
1784-07-01T00:00169MCC_20_429_0042CORISKONO21VM8OP 12 SEPTEMBER OVERLIJD DE MATROOS WILLIAM DONEGAN, VAN NIEW JORKBEREIKEN RIO GABON.Z-ZTODONKERE LUCHT000000099475