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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 Middelburgs Welvaren cruise from Afrika to Suriname started at 1753-11-25 [dataset]. Rijksarchief Zeeland, Middelburg, Netherland, PANGAEA, https://doi.org/10.1594/PANGAEA.747013, 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: 1.542889 * Median Longitude: -19.737333 * South-bound Latitude: -1.920000 * West-bound Longitude: -53.190000 * North-bound Latitude: 6.880000 * East-bound Longitude: 1.630000
Event(s):
Middelburgs_Welvaren_17531125_MCC_20_775 * Latitude Start: -0.250000 * Longitude Start: 7.020000 * Latitude End: 6.180000 * Longitude End: -55.410000 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Middelburgs Welvaren, Start of voyage: 1753-11-25, End of voyage: 1754-01-09, Voyage: Afrika - Suriname, Company: MCC
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Date/time startDate/time start
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 WatchWatchName of the period of 4 hours which is known as a watch or duty on board ships
11 GlassesGlassesNumber of glasses within a watch; one watch equals 8 glasses
12 CourseCourseCourse of the ship during the past 24 hours
13 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
14 CommentCommentOther remarks, that were not possible to put in the other remark fields
15 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.
16 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.
17 Wind force descriptionWind force descrAll reported wind forces on this day
18 Present weatherwwWeather description
19 Precipitation descriptionPrecip descr
20 Cloud typeCloud type
21 GustsGusts1 If wind gusts are reported
22 Precipitation/RainRain1 If rain was reported
23 FogFog1 If fog was reported
24 Snow typeSnow1 If snow was reported
25 ThunderThunder1 If thunder and or lightning was reported
26 HailHail1 If hail was reported
27 Sea iceSea ice1 If sea-ice or icebergs were reported
28 IdentificationIDCLIWOC 2.1 line number
Size:
885 data points

Data

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


Date/time start

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 
Watch
(Name of the period of 4 hours...)
11 
Glasses
(Number of glasses within a wa...)
12 
Course
(Course of the ship during the...)
13 
Distance [arbitrary units]
(Distance travelled during the...)
14 
Comment
(Other remarks, that were not ...)
15 
Decl [deg]
(It is generally accepted by t...)
16 
Wind dir descr
(All reported wind directions ...)
17 
Wind force descr
(All reported wind forces on t...)
18 
ww
(Weather description)
19 
Precip descr
20 
Cloud type
21 
Gusts
(1 If wind gusts are reported)
22 
Rain
(1 If rain was reported)
23 
Fog
(1 If fog was reported)
24 
Snow
(1 If snow was reported)
25 
Thunder
(1 If thunder and or lightning...)
26 
Hail
(1 If hail was reported)
27 
Sea ice
(1 If sea-ice or icebergs were...)
28 
ID
(CLIWOC 2.1 line number)
1753-11-25T00:00454.0MCC_20_775_0063VM8GINGEN ONDERZEIL VAN APAM NAAR WESTHINIENOSLAPPE BRAMZEILSKOELTE0000000169028
1753-11-26T12:004.480.8529MCC_20_775_0063VM8ZWTZ11.00-16NO0000000169029
1753-11-27T12:004.131.202092.6MCC_20_775_0063VM8ZO7.50-16ZWAASEMIEMOOI WEER0000000169030
1753-11-28T12:003.630.870.0MCC_20_775_0063VM8ZW9.00-16STIL0000000169031
1753-11-29T12:003.580.920.0MCC_20_775_0063VM8ZO1.00-16STILMOOI WEER0000000169032
1753-11-30T12:003.371.432322.6MCC_20_775_0063VM8ZO12.00-16WZWSLAPPE KOELTEBETROKKEN LUCHT0000000169033
1753-12-01T12:003.201.632542.6MCC_20_775_0063VM8ZOTZ1/2Z7.50-16WAASEMIEMOOI WEER0000000169034
1753-12-02T12:003.130.951641.0MCC_20_775_0063VM8WZW12.00-16ZKLEIN LUCHTJE0000000169035
1753-12-03T12:002.900.351532.6MCC_20_775_0064VM8WZW10.00-16ZTOAASEMIEMOOI WEER0000000169036
1753-12-04T12:002.68-0.22153MCC_20_775_0064VM8WZW9.00-16ZTOMOOI WEER0000000169037
1753-12-05T12:002.48-1.22154MCC_20_775_0064VM8WTZ16.00-15Z-ZTOGOED WEER0000000169038
1753-12-06T12:002.38-2.281544.9MCC_20_775_0064VM8W16.00-15ZTOFRISSE BRAMZEILSKOELTEMOOI WEER0000000169039
1753-12-07T12:002.25-3.221671.0MCC_20_775_0064VM8WTZ1/2Z15.00-13ZKLEIN LUCHTJE0000000169040
1753-12-08T12:002.10-3.973219.0MCC_20_775_0064VM8WTZ9.00-13Z-ZTOZWARE TRAVAAT UIT NODONDER WEERLICHTREGEN0100100169041
1753-12-09T12:001.67-4.77145MCC_20_775_0065VM8WZW13.00-13ZZOTRAVATIGE LUCHT0000000169042
1753-12-10T12:001.63-5.60178MCC_20_775_0065VM8WZW9.00-13ZTWMOOI WEER0000000169043
1753-12-11T12:002.13-6.321784.9MCC_20_775_0065VM8W15.00-13Z-ZTWFRISSE BRAMZEILSKOELTEGOED WEER0000000169044
1753-12-12T12:001.85-7.481454.0MCC_20_775_0065VM8WTZ18.00-13ZZOSLAPPE BRAMZEILSKOELTEMOOI WEER0000000169045
1753-12-13T13:001.35-8.681472.6MCC_20_775_0065VM8WZW19.50-11ZZOSLAPPE KOELTE0000000169046
1753-12-14T13:001.05-9.72158MCC_20_775_0065VM8WTZ1/2Z16.50-11Z-ZTOTRAVATIGE LUCHT0000000169047
1753-12-15T13:000.67-10.981474.9MCC_20_775_0065VM8WTZ1/2Z20.00-11ZZOFRISSE BRAMZEILSKOELTE0000000169048
1753-12-16T13:000.20-11.751472.6MCC_20_775_0065VM8WTZ15.00-11ZTO-ZZOLABBER LUCHTJEMOOI WEER0000000169049
1753-12-17T13:000.17-13.151492.6MCC_20_775_0065VM8-9ZZOSLAPPE KOELTEMOOI WEER0000000169050
1753-12-18T13:00-0.40-14.521494.9MCC_20_775_0066VM8WZW22.00-9ZZOFRISSE BRAMZEILSKOELTEMOOI WEER0000000169051
1753-12-19T13:00-0.93-16.171494.9MCC_20_775_0066VM8WTZ1/4Z25.50-9ZZOFRISSE BRAMZEILSKOELTE0000000169052
1753-12-20T13:00-1.35-18.011521.0MCC_20_775_0066VM8WTZ25.00-6ZZOFRISSE KOELTEMOOI WEER0000000169053
1753-12-21T13:00-1.67-20.011072.6MCC_20_775_0066VM8WTZ25.00-6OZOSLAPPE KOELTEMOOI WEER0000000169054
1753-12-22T13:00-1.82-22.041184.6MCC_20_775_0066VM8W1/2Z25.50-6ZOTOGEMENE BRAMZEILSKOELTE0000000169055
1753-12-23T14:00-1.92-24.231204.6MCC_20_775_0066VM8W1/2Z27.00-4ZOTOGEMENE BRAMZEILSKOELTEMOOI WEER0000000169056
1753-12-24T14:00-1.87-26.231091.0MCC_20_775_0066VM8W25.00-4OZOFRISSE KOELTEMOOI WEER0000000169057
1753-12-25T14:00-1.55-28.09894.6MCC_20_775_0066VM8W23.00-1OGEMENE BRAMZEILSKOELTEMOOI WEER0000000169058
1753-12-26T14:00-1.92-30.29784.9MCC_20_775_0066VM8-1OTNFRISSE BRAMZEILSKOELTEMOOI WEER0000000169059
1753-12-27T14:00-1.92-32.331004.6MCC_20_775_0067VM8W26.00-1OTZGEMENE BRAMZEILSKOELTEMOOI WEER0000000169060
1753-12-28T14:00-1.78-34.65911.0MCC_20_775_0067VM8W29.001OFRISSE KOELTE0000000169061
1753-12-29T14:00-1.55-36.991021.0MCC_20_775_0067VM8W1/2N30.501OTZFRISSE KOELTEMOOI WEER0000000169062
1753-12-30T15:00-0.72-39.221152.6MCC_20_775_0067VM8WNW31.502OZOSLAPPE KOELTEBESETTE LUCHT0000000169063
1753-12-31T15:00-0.43-40.24252.6MCC_20_775_0067VM8WNW11.002NNOSLAPPE LUCHTJE0000000169064
1754-01-01T15:000.77-41.54702.6MCC_20_775_0067VM8NW22.002ONOLABBER LUCHTJE0000000169065
1754-01-02T15:001.75-42.8749MCC_20_775_0067VM8NW21.004NOREGENBESETTE LUCHT0100000169066
1754-01-03T15:002.98-44.44262.6MCC_20_775_0067VM8NW26.003NNOSLAPPE KOELTEMOOI WEER0000000169067
1754-01-04T15:003.78-45.26481.0MCC_20_775_0067VM8NWTN13.003NOKLEIN AASEMIEMOOI WEER0000000169068
1754-01-05T15:004.92-46.4771MCC_20_775_0068VM8NW2/3N21.503ONOMOOI WEER0000000169069
1754-01-06T15:005.35-48.47494.0MCC_20_775_0068CIRIAENEZZWVM8WTZ26.004NOSLAPPE BRAMZEILSKOELTE0000000169070
1754-01-07T15:005.77-50.18494.6MCC_20_775_0068VM8WTN20.004NOBRAMZEILSKOELTEMOOI WEER0000000169071
1754-01-08T15:006.88-51.5883MCC_20_775_0068VM8W16.004OTNMOOI WEER0000000169072
1754-01-09T16:006.03-53.1961MCC_20_775_0069BRAMSPUNTWZW5VM8WTN1/3W18.00ZODAT WIJ 7 GRADEN 8 MIN WESTELIJKER WAAREN ALS ONS BESTEK WAS5NOTOMOOI WEER0000000169073