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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 VENUS cruise from Curacao to Aguadilla started at 1850-04-22. Koninklijk Nederlands Meteorologisch Instituut, De Bilt, PANGAEA, https://doi.org/10.1594/PANGAEA.752690, 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: 16.945000 * Median Longitude: -68.438750 * South-bound Latitude: 12.650000 * West-bound Longitude: -69.280000 * North-bound Latitude: 18.770000 * East-bound Longitude: -67.600000
Date/Time Start: 1850-04-22T17:00:00 * Date/Time End: 1850-04-29T17:00:00
Event(s):
Venus_18500422_X_REIS_8_PI-17-25 * Latitude Start: 12.370000 * Longitude Start: -68.570000 * Latitude End: 19.170000 * Longitude End: -67.470000 * Date/Time Start: 1850-04-22T00:00:00 * Date/Time End: 1850-04-29T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Venus (Brik), Voyage: Curacao - Aguadilla, 1st Observer: E. Ippius Fockens (Kltz), Company: MAR
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
Pressure, atmosphericPPPPhPaNo temperature correction was applied. The following factors have been used for the conversion to hPa: 2.54 cm in an inch; 13.596 specific gravity of mercury; 980.65 cm/s gravity at 45° latitude
Temperature, airTTT°C
LandmarkLandmarkName of first landmark
BearingBearingBearing of the first landmark
10 Distance to landmarkDistancearbitrary unitsDistance to the first landmark
11 LandmarkLandmarkName of second landmark
12 BearingBearingBearing of the second landmark
13 LandmarkLandmarkName of third landmark
14 BearingBearingBearing of the third landmark
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 scale referenceWind scale ref#Name of, or reference to the wind scale that has been used
18 Sensor readingReadingarbitrary unitsReading of the (outside) air thermometer
19 Sensor readingReadingarbitrary unitsReading of the air pressure
20 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.
21 Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
22 Wind force descriptionWind force descrAll reported wind forces on this day
23 Precipitation descriptionPrecip descr
24 State of the sea descriptionState sea descr
25 Cloud typeCloud type
26 GustsGusts1 If wind gusts are reported
27 Precipitation/RainRain1 If rain was reported
28 FogFog1 If fog was reported
29 Snow typeSnow1 If snow was reported
30 ThunderThunder1 If thunder and or lightning was reported
31 HailHail1 If hail was reported
32 Sea iceSea ice1 If sea-ice or icebergs were reported
33 CommentComment
34 IdentificationIDCLIWOC 2.1 line number
Size:
164 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...)

PPPP [hPa]
(No temperature correction was...)

TTT [°C]

Landmark
(Name of first landmark)

Bearing
(Bearing of the first landmark)
10 
Distance [arbitrary units]
(Distance to the first landmark)
11 
Landmark
(Name of second landmark)
12 
Bearing
(Bearing of the second landmark)
13 
Landmark
(Name of third landmark)
14 
Bearing
(Bearing of the third landmark)
15 
Comment
(Other remarks, that were not ...)
16 
Decl [deg]
(It is generally accepted by t...)
17 
Wind scale ref [#]
(Name of, or reference to the ...)
18 
Reading [arbitrary units]
(Reading of the (outside) air ...)
19 
Reading [arbitrary units]
(Reading of the air pressure)
20 
Wind dir descr
(All reported wind directions ...)
21 
Cur dir descr
(Direction of the current. Thi...)
22 
Wind force descr
(All reported wind forces on t...)
23 
Precip descr
24 
State sea descr
25 
Cloud type
26 
Gusts
(1 If wind gusts are reported)
27 
Rain
(1 If rain was reported)
28 
Fog
(1 If fog was reported)
29 
Snow
(1 If snow was reported)
30 
Thunder
(1 If thunder and or lightning...)
31 
Hail
(1 If hail was reported)
32 
Sea ice
(1 If sea-ice or icebergs were...)
33 
Comment
34 
ID
(CLIWOC 2.1 line number)
1850-04-22T17:0012.65-69.17949.3CHRISTOFFELSBERGZ45O5V010000000266255
1850-04-23T17:0014.93-69.28839.345OTN5V010000000a trivial correction was made in this observation266256
1850-04-24T17:0017.33-69.15496.71018.728.3SAONA (GIS)NNO 3/4 O144483.00764.00NO4V010000000266257
1850-04-25T17:0017.88-68.75709.31024.025.6SAONE, OOSTHOEKNO 1/2 N2578.00768.00ONO5W20V00, V101100000266258
1850-04-26T17:0018.05-68.08704.61024.025.6MONA, NOORDPUNTONO 1/2 O2378.00768.00ONOZO3W20Z04V000100000266259
1850-04-27T17:0017.98-67.881379.3MONA, OOSTHOEKNZICHTBAAR LAND PORTE RICOONO 1/2 O25ZO5Z03. VEEL DEININGV000000000266260
1850-04-28T17:0017.97-67.60474.6ZACHEON 3/4 O23NO3V01, V000000000266261
1850-04-29T17:0018.77-67.60474.61022.725.6PORTO RICO, WESTELIJKEZOTZEILAND ZACHEOZ 3/4 OKERKTOREN AGUADILLAZOTOKAAP SULMAS NNW2378.00767.00NO3V01, V000000000266262