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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 DORDRECHT cruise from Duins to Port Mahon started at 1829-11-17 [dataset]. Nationaal Archief of the Netherlands, Den Haag, Netherland, PANGAEA, https://doi.org/10.1594/PANGAEA.748594, 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: 40.266000 * Median Longitude: -8.845333 * South-bound Latitude: 35.880000 * West-bound Longitude: -15.780000 * North-bound Latitude: 49.370000 * East-bound Longitude: 2.090000
Date/Time Start: 1829-11-17T12:00:00 * Date/Time End: 1829-12-02T00:00:00
Event(s):
Dordrecht_18291117_MAR_D23905_1156 * Latitude Start: 49.370000 * Longitude Start: -5.570000 * Latitude End: 38.950000 * Longitude End: 3.420000 * Date/Time Start: 1829-11-17T00:00:00 * Date/Time End: 1829-12-02T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Dordrecht (Transportschip), Voyage: Duins - Port Mahon, 1st Observer: G. Jonker (Ltz), Company: MAR, Other ship information: BEMAND MET 44 KOPPEN EN 12 JONGENS. BEWAPEND MET 8 STUKKEN VAN 12 POND.
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 --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 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.
16 Sensor readingReadingarbitrary unitsReading of the (outside) air thermometer
17 Sensor readingReadingarbitrary unitsReading of the air pressure
18 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.
19 Wind force descriptionWind force descrAll reported wind forces on this day
20 Present weatherwwWeather description
21 Precipitation descriptionPrecip descr
22 State of the sea descriptionState sea descr
23 Cloud typeCloud type
24 ClearnessClearness
25 GustsGusts1 If wind gusts are reported
26 Precipitation/RainRain1 If rain was reported
27 FogFog1 If fog was reported
28 Snow typeSnow1 If snow was reported
29 ThunderThunder1 If thunder and or lightning was reported
30 HailHail1 If hail was reported
31 Sea iceSea ice1 If sea-ice or icebergs were reported
32 IdentificationIDCLIWOC 2.1 line number
Size:
364 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 
-
(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 
Decl [deg]
(It is generally accepted by t...)
16 
Reading [arbitrary units]
(Reading of the (outside) air ...)
17 
Reading [arbitrary units]
(Reading of the air pressure)
18 
Wind dir descr
(All reported wind directions ...)
19 
Wind force descr
(All reported wind forces on t...)
20 
ww
(Weather description)
21 
Precip descr
22 
State sea descr
23 
Cloud type
24 
Clearness
25 
Gusts
(1 If wind gusts are reported)
26 
Rain
(1 If rain was reported)
27 
Fog
(1 If fog was reported)
28 
Snow
(1 If snow was reported)
29 
Thunder
(1 If thunder and or lightning...)
30 
Hail
(1 If hail was reported)
31 
Sea ice
(1 If sea-ice or icebergs were...)
32 
ID
(CLIWOC 2.1 line number)
1829-11-17T12:0049.37-5.57314.61005.811.1VM8WZW 7/8 W40.75-2552.002970.00NOTOBRAMZEILSKOELTEGOED WEERBEWOLKTE LUCHT000000057207
1829-11-18T13:0047.58-8.57749.31002.412.2VM8ZW 1/8 Z42.25-2754.002960.00OZO-OTZSTIJVE MARSZEILSKOELTEHELDERE LUCHT000000057208
1829-11-19T13:0045.05-10.255515.4999.113.3VM8ZTW 1/4 W42.50-2456.002950.00OTNDICHT GEREEFDE MARSZEILSKOELTEOVERDRIJVENDE LUCHT000000057209
1829-11-20T13:0043.23-13.24886.7999.113.9VM8ZW 1/3 Z40.00-2557.002950.00OTZ-OZOMARSZEILSKOELTEBETROKKEN LUCHT000000057210
1829-11-21T13:0041.93-14.711352.0995.715.6VM8ZW 1/2 W25.50-2360.002940.00ZTO-ZZOAFNEMENDE KOELTEOPHELDERENDE LUCHT000000057211
1829-11-22T13:0041.08-15.60904.6995.716.7VM8ZW 7/8 W16.50-2362.002940.00ZOTZ-OZOBRAMZEILSKOELTEEEN WEINIG REGENBEWOLKTE LUCHT010000057212
1829-11-23T13:0040.30-15.782252.9992.316.7VM8ZTW10.50-2362.002930.00ZW-WZWFLAUWE BRAMZEILSKOELTE TOT AANNEMENDE KOELTEHELDERE LUCHT000000057213
1829-11-24T13:0038.35-13.721804.6995.716.7VM8ZO 2/3 O37.50-2362.002940.00WNW-ZZWBRAMZEILSKOELTEGOED WEERHELDERE LUCHT000000057214
1829-11-25T13:0037.20-12.3421515.4995.716.7VM8ZO 1/8 O22.25-2162.002940.00ZWTWDICHT GEREEFDE MARSZEILSKOELTEAANSCHIETENDE ZEEWOLKDRIJVENDE LUCHT000000057215
1829-11-26T13:0036.00-10.101594.6999.117.2VM8ZOTO 1/8 O29.00-2163.002950.00ZTW-ZBRAMZEILSKOELTEDIKKE BEWOLKTE LUCHTOPHELDERENDE LUCHT000000057216
1829-11-27T12:0035.88-6.271712.61002.417.2VM8O 1/3 Z40.00-2063.002960.00ZTWONGESTADIGE KOELTEDIKKE LUCHT000000057217
1829-11-28T12:0036.21-4.93810.01002.417.5KLIP VAN GIBRALTARWNW1VM8NOTO 3/4 O12.75-2063.502960.00OTZSTILBEWOLKTE LUCHT000000057218
1829-11-29T12:0036.40-3.602284.6999.117.21VM8O 3/4 N16.00-2063.002950.00W-WZWBRAMZEILSKOELTESOMS REGENBETROKKEN EN BUIJIGE LUCHT110000057219
1829-11-30T12:0036.73-0.092744.91005.817.21VM8ONO 3/4 O45.00-1963.002970.00W-WNWFRISSE BRAMZEILSKOELTEHELDERE LUCHT000000057220
1829-12-01T12:0038.682.092054.61005.817.81VM8NO 7/8 N37.00-2064.002970.00ZWBRAMZEILSKOELTEGOED WEERHELDERE LUCHT000000057221
1829-12-02T00:002702.61002.417.21VM863.002960.00WZW-WONGESTADIGE KOELTEBUIJIG WEERVEEL REGEN110000057222