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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 DORTENAAR cruise from Oudjong Pancer to Samaras started at 1835-03-17 [dataset]. Maritiem Museum Rotterdam, Netherland, PANGAEA, https://doi.org/10.1594/PANGAEA.748660, 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: -6.276000 * Median Longitude: 111.046000 * South-bound Latitude: -6.650000 * West-bound Longitude: 110.450000 * North-bound Latitude: -6.000000 * East-bound Longitude: 111.830000
Date/Time Start: 1835-03-17T00:00:00 * Date/Time End: 1835-03-22T05:00:00
Event(s):
Dortenaar_18350317_MMR_H500_501 * Date/Time Start: 1835-03-17T00:00:00 * Date/Time End: 1835-03-22T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Dortenaar (Fregat), Voyage: Oudjong Pancer - Samaras, 1st Observer: H.P. Visser (Kapitein), Company: Particulier, Other ship information: DE EIGENAAR VAN HET SCHIP WAS ADOLPH BLUSSÉ VAN OUD ALBLAS. HET SCHIP WAS EEN VOLGETUIGDE DRIEMASTER MET EEN CAPACITEIT VAN 851 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
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
--1 If position is considered to be coastal (in port or near coastal disturbances)
WatchWatchName of the period of 4 hours which is known as a watch or duty on board ships
10 GlassesGlassesNumber of glasses within a watch; one watch equals 8 glasses
11 CourseCourseCourse of the ship during the past 24 hours
12 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
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 Sensor readingReadingarbitrary unitsReading of the (outside) air thermometer
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 Wind force descriptionWind force descrAll reported wind forces on this day
19 Present weatherwwWeather description
20 ClearnessClearness
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:
118 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]

-
(1 If position is considered t...)

Watch
(Name of the period of 4 hours...)
10 
Glasses
(Number of glasses within a wa...)
11 
Course
(Course of the ship during the...)
12 
Distance [arbitrary units]
(Distance travelled during the...)
13 
Comment
(Other remarks, that were not ...)
14 
Decl [deg]
(It is generally accepted by t...)
15 
Reading [arbitrary units]
(Reading of the (outside) air ...)
16 
Reading [arbitrary units]
(Reading of the air pressure)
17 
Wind dir descr
(All reported wind directions ...)
18 
Wind force descr
(All reported wind forces on t...)
19 
ww
(Weather description)
20 
Clearness
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)
1835-03-17T00:00ONDER ZEIL VAN OUDJONG PANCER.000000059417
1835-03-18T05:00-6.40111.831814.61005.828.3VM8NWTW 1/8 W49.00183.0029.70O-ZBRAMZEILSKOELTE EN STIL000000059418
1835-03-19T05:00-6.00111.352041.01003.829.4VM8WNW 3/4 W48.00185.0029.64ZWTZ-ZZWFLAUWMOOI WEERHELDERE LUCHT000000059419
1835-03-20T05:00-6.13110.921811.01005.830.0VM8WZW 2/3 W40.00186.0029.70ZFLAUWHELDERE LUCHT000000059420
1835-03-21T05:00-6.20110.68910.01004.129.4VM8ZW 1/3 Z16.00185.0029.65ZZO-OSTILHELDER000000059421
1835-03-22T05:00-6.65110.453621004.130.01VM8ZZW 1/3 W31.00186.0029.65VARIABEL EN NFLAUW, OMLOPEND EN VLAGEN000000059422