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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 BOTLAND cruise from Kaap de Goede Hoop to Texel started at 1773-03-05 [dataset]. Gemeentearchief Amsterdam, Netherland, PANGAEA, https://doi.org/10.1594/PANGAEA.747698, 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: -10.624211 * Median Longitude: -8.416842 * South-bound Latitude: -32.280000 * West-bound Longitude: -26.950000 * North-bound Latitude: 6.850000 * East-bound Longitude: 16.350000
Date/Time Start: 1773-03-05T11:00:00 * Date/Time End: 1773-04-11T14:00:00
Event(s):
Botland_17730305_GAA_BIBLIOTHEEK_M951_59 * Latitude Start: -34.080000 * Longitude Start: 17.820000 * Latitude End: 53.090000 * Longitude End: 4.670000 * Date/Time Start: 1773-03-05T00:00:00 * Date/Time End: 1773-04-11T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Botland, Voyage: Kaap De Goede Hoop - Texel, 1st Observer: Johan Van Voorst (Schipper), Company: VOC, Dutch Asiatic Shipping Number: 7872.1, Other ship information: GEBOUWD IN 1769 IN ZEELAND, LAADVERMOGEN 1150 TON.
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
WatchWatchName of the period of 4 hours which is known as a watch or duty on board ships
GlassesGlassesNumber of glasses within a watch; one watch equals 8 glasses
CourseCourseCourse of the ship during the past 24 hours
DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
10 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.
11 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.
12 Wind force descriptionWind force descrAll reported wind forces on this day
13 Present weatherwwWeather description
14 Precipitation descriptionPrecip descr
15 Cloud typeCloud type
16 ClearnessClearness
17 GustsGusts1 If wind gusts are reported
18 Precipitation/RainRain1 If rain was reported
19 FogFog1 If fog was reported
20 Snow typeSnow1 If snow was reported
21 ThunderThunder1 If thunder and or lightning was reported
22 HailHail1 If hail was reported
23 Sea iceSea ice1 If sea-ice or icebergs were reported
24 CommentComment
25 IdentificationIDCLIWOC 2.1 line number
Size:
695 data points

Data

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


Date/Time

Latitude

Longitude

dd [deg]

ff [m/s]

Watch

Glasses

Course

Distance [arbitrary units]
10 
Decl [deg]
11 
Wind dir descr
12 
Wind force descr
13 
ww
14 
Precip descr
15 
Cloud type
16 
Clearness
17 
Gusts
18 
Rain
19 
Fog
20 
Snow
21 
Thunder
22 
Hail
23 
Sea ice
24 
Comment
25 
ID
1773-03-05T11:00-32.2816.351494.6VM8WNW 1/2 N29.00-20ZZO-ZTOGEMENE EN FRISSE BRAMZEILSKOELTEMOOI WEEROVERDRIJVENDE LUCHT000000032002
1773-03-06T11:00-30.8314.631264.6VM8NW31.00-20ZOTZGEMENE EN FRISSE BRAMZEILSKOELTEMOOI WEEROVERDRIJVENDE LUCHT000000032003
1773-03-07T11:00-29.2512.801154.6VM8NW33.50-20ZOGEMENE EN FRISSE BRAMZEILSKOELTEMOOI WEEROVERDRIJVENDE LUCHT000000032004
1773-03-08T11:00-27.6711.421284.9VM8NW32.00-18ZOTZFRISSE EN GEMENE BRAMZEILSKOELTEMOOI WEEROVERDRIJVENDE LUCHT000000032005
1773-03-09T11:00-26.009.231284.6VM8NW34.50-18ZOTZGEMENE EN FRISSE BRAMZEILSKOELTEMOOI WEEROVERDRIJVENDE LUCHT000000032006
1773-03-10T12:00-24.326.731304.6VM8NW38.00-16ZOTZGEMENE EN FRISSE BRAMZEILSKOELTEMOOI WEEROVERDRIJVENDE LUCHT0000000a trivial correction was made in this observation32007
1773-03-11T12:00-22.585.371304.6VM8NW37.00-16ZOTZGEMENE EN FRISSE BRAMZEILSKOELTEMOOI WEEROVERDRIJVENDE LUCHT000000032008
1773-03-12T12:00-21.383.701074.9VM8NW32.50-17ZOTOFRISSE EN GEMENE BRAMZEILSKOELTE000000032009
1773-03-13T12:00-20.282.481204.6VM8NW24.00-15ZOGEMENE EN LABBERE BRAMZEILSKOELTE000000032010
1773-03-14T12:00-19.331.471654.6VM8NW20.50-15NOTN-ZBRAMZEILSKOELTE EN STILMOOI WEER000000032011
1773-03-15T12:00-18.630.581204.6VM8NW17.50-15OZO-ZOBRAMZEILSKOELTEMOOI WEER000000032012
1773-03-16T12:00-17.67-0.471094.6VM8NW-15ZOTOBRAMZEILSKOELTEMOOI WEER000000032013
1773-03-17T12:00-16.58-1.57984.6VM8NW22.50-15OZOGEMENE BRAMZEILSKOELTEMOOI WEER000000032014
1773-03-18T12:00-15.97-3.08122VM8WTN 1/2 N23.00-13ZOMOOI WEER000000032015
1773-03-19T12:00-15.00-4.281222.6VM8NW24.50-13ZOTO-ZOGEMENE KOELTEMOTREGENOVERDRIJVENDE LUCHT010000032016
1773-03-20T12:00-13.85-5.581112.6VM8NW26.50-13ZOTOGEMENE KOELTEMOOI WEEROVERDRIJVENDE LUCHT000000032017
1773-03-21T12:00-12.95-6.671002.6VM8NW22.00-13OZOGEMENE KOELTEMOOI WEEROVERDRIJVENDE LUCHT000000032018
1773-03-22T13:00-11.98-7.751122.6VM8NW22.50-12ZO-ZOTOGEMENE KOELTEMOOI WEEROVERDRIJVENDE LUCHT000000032019
1773-03-23T13:00-10.88-8.971234.6VM8NW25.50-12ZOGEMENE BRAMZEILSKOELTEMOOI WEEROVERDRIJVENDE LUCHT000000032020
1773-03-24T13:00-9.77-10.151232.6VM8NW24.50-12ZOTO-ZOGEMENE KOELTEMOOI WEEROVERDRIJVENDE LUCHT000000032021
1773-03-25T13:00-8.38-11.371122.6VM8NW26.00-12ZOTOGEMENE KOELTEMOOI WEEROVERDRIJVENDE LUCHT000000032022
1773-03-26T13:00-7.13-13.081252.6VM8NW W/Z N23.00-10OZO-ZOGEMENE KOELTEMOOI WEEROVERDRIJVENDE LUCHT000000032023
1773-03-27T13:00-5.88-14.271142.6VM8NW21.00-10ZOTOGEMENE KOELTEMOOI WEEROVERDRIJVENDE LUCHT000000032024
1773-03-28T13:00-4.75-15.501252.6VM8NW26.00-10ZOGEMENE KOELTEEEN WEINIG REGENOVERDRIJVENDE LUCHT010000032025
1773-03-29T13:00-4.05-16.453162.6VM8NW28.50-10ZOTO-NWTNLABBER EN STIL TOT GEMENE KOELTEBUIIGE LUCHTMET REGENOVERDRIJVENDE LUCHT110000032026
1773-03-30T13:00-2.78-17.721162.6VM8NW27.00-8ZOTOLABBER EN STILMOOI WEER, WEERLICHT000010032027
1773-03-31T13:00-1.72-18.771054.6VM8NW22.50-9OZOGEMENE EN LABBERE BRAMZEILSKOELTEGOED WEER, WEERLICHTHELDERE LUCHT000010032028
1773-04-01T13:00-0.88-19.482962.6VM8NW15.00-9ZOTO-NWTWLABBER EN STILBUIIGE LUCHTMET REGENOVERDRIJVENDE LUCHT110000032029
1773-04-02T13:00-0.30-19.871272.6VM8NWTN18.50-9ZZW-ZOLABBER EN STILBUIIGE LUCHTMET REGENOVERDRIJVENDE LUCHT110000032030
1773-04-03T13:000.38-20.373301.0VM8NWTN W/Z W13.50-9WTZ-NNWVARIABEL000000032031
1773-04-04T13:001.00-20.6015VM8NWTN6.50-9NNOBUIIGE LUCHTMET REGENOVERDRIJVENDE LUCHT110000032032
1773-04-05T13:001.70-21.18604.6VM8NTW15.00-9ONOLABBER EN STIL TOT BRAMZEILSKOELTEREGENOVERDRIJVENDE LUCHT010000032033
1773-04-06T13:002.17-22.3226VM8WNW 1/2 N17.50-9NOTNGOED WEER000000032034
1773-04-07T14:002.88-23.0349VM8NWTN W/Z N19.50-7NOTOGOED WEERBEWOLKTE LUCHT000000032035
1773-04-08T14:003.87-24.0538VM8NWTW W/Z N20.00-7NOTO-NOBEWOLKTE EN OVERDRIJVENDE LUCHT000000032036
1773-04-09T14:004.60-25.1527VM8NW W/Z W21.50-7NNO-NOTNBEWOLKTE EN OVERDRIJVENDE LUCHT000000032037
1773-04-10T14:005.90-25.92614.9VM8NW W/Z W22.50-7NO-ONOFRISSE BRAMZEILSKOELTE000000032038
1773-04-11T14:006.85-26.95274.9VM8NW W/Z W22.00-7NNO-NOTNFRISSE BRAMZEILSKOELTE000000032039