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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 Van der Palm cruise from Macao to Shanghai started at 1848-10-26 [dataset]. Koninklijk Nederlands Meteorologisch Instituut, De Bilt, PANGAEA, https://doi.org/10.1594/PANGAEA.752636, 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: 25.142174 * Median Longitude: 121.485217 * South-bound Latitude: 21.050000 * West-bound Longitude: 114.430000 * North-bound Latitude: 31.070000 * East-bound Longitude: 126.230000
Date/Time Start: 1848-10-26T00:00:00 * Date/Time End: 1848-11-19T00:00:00
Event(s):
Van_der_Palm_18481026_V_REIS_21_P201-212 * Latitude Start: 21.700000 * Longitude Start: 113.857000 * Latitude End: 30.930000 * Longitude End: 122.880000 * Date/Time Start: 1848-10-26T00:00:00 * Date/Time End: 1848-11-19T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Van Der Palm, Voyage: Macao - Shanghai, 1st Observer: J.J. Muntendam (Kapitein)
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
LandmarkLandmarkName of first landmark
BearingBearingBearing of the first landmark
LandmarkLandmarkName of second landmark
10 BearingBearingBearing of the second landmark
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 CommentCommentOther remarks, that were not possible to put in the other remark fields
14 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.
15 Wind scale referenceWind scale ref#Name of, or reference to the wind scale that has been used
16 Sensor readingReadingarbitrary unitsReading of the air pressure
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 Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
19 Current speed descriptionV descr
20 Wind force descriptionWind force descrAll reported wind forces on this day
21 Present weatherwwWeather description
22 Precipitation descriptionPrecip descr
23 State of the sea descriptionState sea descr
24 Cloud typeCloud type
25 ClearnessClearness
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 IdentificationIDCLIWOC 2.1 line number
Size:
460 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...)

Landmark
(Name of first landmark)

Bearing
(Bearing of the first landmark)

Landmark
(Name of second landmark)
10 
Bearing
(Bearing of the second landmark)
11 
Watch
(Name of the period of 4 hours...)
12 
Glasses
(Number of glasses within a wa...)
13 
Comment
(Other remarks, that were not ...)
14 
Decl [deg]
(It is generally accepted by t...)
15 
Wind scale ref [#]
(Name of, or reference to the ...)
16 
Reading [arbitrary units]
(Reading of the air pressure)
17 
Wind dir descr
(All reported wind directions ...)
18 
Cur dir descr
(Direction of the current. Thi...)
19 
V descr
20 
Wind force descr
(All reported wind forces on t...)
21 
ww
(Weather description)
22 
Precip descr
23 
State sea descr
24 
Cloud type
25 
Clearness
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 
ID
(CLIWOC 2.1 line number)
1848-10-26T00:00PV8OP DE CHINESE KUST.0000000264238
1848-10-27T12:0022.30114.43696.7PV814ONOS003/4V050000000264239
1848-10-28T12:0022.33114.60694.6PV813ONO3V00H000000000264240
1848-10-29T12:0022.50114.88916.71020.4PV81430.13O2/4V00H010000000264241
1848-10-30T12:0022.48115.252941.01019.4PV81130.10WNW1Z010000000264242
1848-10-31T12:0022.72116.3036215.4PV807NTO-VARW335/7W011000000264243
1848-11-01T12:0022.43117.033519.0PV818NOTN8Z01V04, V000000000264244
1848-11-02T12:0021.67119.133611.0PV801NOTN, STILNOTO5/1Z01V00, V040000000264245
1848-11-03T12:0021.05120.93686.7PV804ONONNO5/4V04, V010000000264246
1848-11-04T12:0021.98121.08454.6PV803NO3V000000000264247
1848-11-05T12:0022.62121.78681.0PV801ONO2/1V04, V010000000264248
1848-11-06T12:0023.52122.12361PV80STILN27V04, V000000000264249
1848-11-07T12:0023.78123.554412.3PV8-16NON296W00W20V031100000264250
1848-11-08T12:0025.12123.12674.6PV8-13ONONTO 7/8 O193H000000000264251
1848-11-09T12:0026.10123.67226.71012.6PV8-1429.90NNO4W20V050100000264252
1848-11-10T12:0026.53126.232222.6PV8-19NNO8/9Z01V04, V000000000264253
1848-11-11T12:0026.28125.3733726.81024.1PV8-11030.24NNW9/10W02Z02V051000000264254
1848-11-12T12:0027.32126.05449.31023.8PV8-1530.23NTO-NO7/5V04, V100000000264255
1848-11-13T12:0028.02126.2099.31025.8PV8-2530.29NTO5V04, V010000000264256
1848-11-14T12:0028.62125.00216.71027.8PV8-2430.35NNO6/4Z01V05, V04H000000000264257
1848-11-15T12:0029.33124.75549.31026.1PV8-2530.30NOTO4/5V05H000000000264258
1848-11-16T12:0029.83124.302112.3PV8-26NNO4/6V04H000000000264259
1848-11-17T12:0030.67124.4232419.01023.1PV8-2830.21NWTN7/8V04H000000000264260
1848-11-18T12:0031.07123.97912.31014.3PV8-2629.95NTO5/6V04H000000000264261
1848-11-19T00:0030.83GUSLAFIKZO 3/4 ZOOST ZADEL EILAND0 3/4 ZPV80000000264262