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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 PHILADELPHIA cruise from Bocht van Guinee to Prinsies started at 1751-03-26 [dataset]. Rijksarchief Zeeland, Middelburg, Netherland, PANGAEA, https://doi.org/10.1594/PANGAEA.747021, 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: 3.437727 * Median Longitude: 3.935455 * South-bound Latitude: 1.370000 * West-bound Longitude: 1.100000 * North-bound Latitude: 5.750000 * East-bound Longitude: 7.500000
Event(s):
Philadelphia_17510326_MCC_20_891 * Latitude Start: 5.750000 * Longitude Start: 2.900000 * Latitude End: -1.430000 * Longitude End: 4.830000 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Philadelphia, Start of voyage: 1751-03-26, End of voyage: 1751-04-17, Voyage: Bocht Van Guinee - Prinsies, 1st Observer: Cornelis Maarschalk, 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 --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 CourseCourseCourse of the ship during the past 24 hours
14 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
15 CommentCommentOther remarks, that were not possible to put in the other remark fields
16 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.
17 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.
18 Wind force descriptionWind force descrAll reported wind forces on this day
19 Present weatherwwWeather description
20 Precipitation descriptionPrecip descr
21 Cloud typeCloud type
22 GustsGusts1 If wind gusts are reported
23 Precipitation/RainRain1 If rain was reported
24 FogFog1 If fog was reported
25 Snow typeSnow1 If snow was reported
26 ThunderThunder1 If thunder and or lightning was reported
27 HailHail1 If hail was reported
28 Sea iceSea ice1 If sea-ice or icebergs were reported
29 IdentificationIDCLIWOC 2.1 line number
Size:
461 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 
-
(1 If position is considered t...)
11 
Watch
(Name of the period of 4 hours...)
12 
Glasses
(Number of glasses within a wa...)
13 
Course
(Course of the ship during the...)
14 
Distance [arbitrary units]
(Distance travelled during the...)
15 
Comment
(Other remarks, that were not ...)
16 
Decl [deg]
(It is generally accepted by t...)
17 
Wind dir descr
(All reported wind directions ...)
18 
Wind force descr
(All reported wind forces on t...)
19 
ww
(Weather description)
20 
Precip descr
21 
Cloud type
22 
Gusts
(1 If wind gusts are reported)
23 
Rain
(1 If rain was reported)
24 
Fog
(1 If fog was reported)
25 
Snow
(1 If snow was reported)
26 
Thunder
(1 If thunder and or lightning...)
27 
Hail
(1 If hail was reported)
28 
Sea ice
(1 If sea-ice or icebergs were...)
29 
ID
(CLIWOC 2.1 line number)
1751-03-26T12:005.752.902082.6MCC_20_891_0033VM8ZO13.00ONDER ZEIL OM DOOR TE STEKEN.-17ZWTZ-ZWSLAPPE KOELTEMOOI WEER0000000187722
1751-03-27T12:005.452.871744.6MCC_20_891_0033VM8Z3.50-17ZTWGEMENE BRAMZEILSKOELTEMOOI WEER0000000187723
1751-03-28T12:005.422.301202.6MCC_20_891_0033VM8W8.50-15ZTO-ZOSLAPPE KOELTEMOOI WEER0000000187724
1751-03-29T12:005.371.301882.6MCC_20_891_0033VM8W12.50-15ZZWSLAPPE KOELTEMOOI WEER0000000187725
1751-03-30T12:005.701.10199MCC_20_891_0033GITANWTN31VM8ZOTO2.00BESTEK NA PEILING.-15ZWTZ0000000187726
1751-03-31T12:005.281.651884.6MCC_20_891_0034VM8ZOTO12.50-15ZWTZ-ZZWBRAMZEILSKOELTEMOOI WEER0000000187727
1751-04-01T12:004.702.191994.6MCC_20_891_0034VM8ZO12.00-15ZW-ZWTZBRAMZEILSKOELTE EN SLAPPE KOELTEOOK GOED WEERTRAVATIG WEER MET REGEN0100000187728
1751-04-02T12:004.522.741864.6MCC_20_891_0034VM8ZOTZ7.00-17ZZWBRAMZEILSKOELTE EN GEMENE KOELTEMOOI WEER0000000187729
1751-04-03T12:004.233.291974.6MCC_20_891_0034VM8ZO13.00-17ZWTZBRAMZEILSKOELTEMOOI WEER0000000187730
1751-04-04T12:003.683.831974.6MCC_20_891_0034VM8ZOTO14.00-17ZW-ZWTZBRAMZEILSKOELTE EN GEMENE KOELTEMOOI WEER0000000187731
1751-04-05T12:003.284.451864.6MCC_20_891_0034VM8ZOTO11.00-17ZWTZ-ZZWBRAMZEILSKOELTEMOOI WEER0000000187732
1751-04-06T12:003.154.451862.6MCC_20_891_0034VM8Z2.00-17Z-ZZWSLAPPE KOELTE EN GEMENE KOELTEMOOI WEER0000000187733
1751-04-07T12:002.704.481632.6MCC_20_891_0034VM8ZTW 1/2 W7.50-17ZZO-ZGEMENE KOELTEMOOI WEER0000000187734
1751-04-08T12:002.104.445212.3MCC_20_891_0035VM8ZO 1/2 Z12.00-16O-ONOSTIJVE KOELTEGOED WEER0000000187735
1751-04-09T12:001.834.401754.6MCC_20_891_0035VM8ZWTW10.00-16ZTWBRAMZEILSKOELTE EN GEMENE KOELTEOOK GOED WEERTRAVATIGE LUCHT0000000187736
1751-04-10T12:001.374.731989.3MCC_20_891_0035VM8ZO7.00-16ZWTZSTIJVE MARSZEILSKOELTEGOED WEER0000000187737
1751-04-11T12:001.874.901754.0MCC_20_891_0035VM8OZO5.50-16Z-ZTWSLAPPE BRAMZEILSKOELTEMOOI WEER0000000187738
1751-04-12T12:001.905.401984.6MCC_20_891_0035VM8O7.50-16ZZW-ZWTZSLAPPE BRAMZEILSKOELTE TOT GEMENE BRAMZEILSKOELTEMOOI WEER0000000187739
1751-04-13T12:001.605.08294.6MCC_20_891_0035VM8ZO6.50-16VANAF 5DE GLAS NOVANAF 5DE GLAS GEMENE BRAMZEILSKOELTEEEN ZWARE TRAVAAT MET BLIKSEM, DONDERSLAGENREGEN0100100187740
1751-04-14T12:002.185.891752.6MCC_20_891_0035VM8WZW6.00-16Z-ZTWSLAPPE KOELTE EN GEMENE KOELTEMOOI WEER0000000187741
1751-04-15T12:001.806.69291.0MCC_20_891_0036VM8ZO8.00-16ONO-NOFRISSE KOELTETRAVATIG WEER MET REGEN0100000187742
1751-04-16T11:001.757.501972.6MCC_20_891_0036PRINSIESZTW 1/2 W21VM8-17ZW-ZWTZGEMENE KOELTE EN FRISSE KOELTEMOOI WEER0000000187743
1751-04-17T00:00MCC_20_891_00361VM80000000187744