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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 ZWALUW cruise from Funchal to Texel started at 1841-07-14 [dataset]. Nationaal Archief of the Netherlands, Den Haag, Netherland, PANGAEA, https://doi.org/10.1594/PANGAEA.752993, 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: 45.750000 * Median Longitude: -16.677931 * South-bound Latitude: 32.130000 * West-bound Longitude: -25.900000 * North-bound Latitude: 59.570000 * East-bound Longitude: 2.950000
Date/Time Start: 1841-07-14T13:00:00 * Date/Time End: 1841-08-14T00:00:00
Event(s):
Zwaluw_18410714_MAR_D23905_5336 * Latitude Start: 32.270000 * Longitude Start: -16.930000 * Latitude End: 53.090000 * Longitude End: 4.670000 * Date/Time Start: 1841-07-14T00:00:00 * Date/Time End: 1841-08-14T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Zwaluw (Brik), Voyage: Funchal - Texel, 1st Observer: W. Enslie (Kltz), Company: MAR, Other ship information: 18 STUKKEN BEWAPENING. 100 KOPPEN
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
Image number/nameImage no/nameIdentification Number of the original image
LandmarkLandmarkName of first landmark
10 BearingBearingBearing of the first landmark
11 Distance to landmarkDistancearbitrary unitsDistance to the first landmark
12 LandmarkLandmarkName of second landmark
13 BearingBearingBearing of the second landmark
14 --1 If position is considered to be coastal (in port or near coastal disturbances)
15 WatchWatchName of the period of 4 hours which is known as a watch or duty on board ships
16 GlassesGlassesNumber of glasses within a watch; one watch equals 8 glasses
17 CourseCourseCourse of the ship during the past 24 hours
18 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
19 CommentCommentOther remarks, that were not possible to put in the other remark fields
20 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.
21 Sensor readingReadingarbitrary unitsReading of the (outside) air thermometer
22 Sensor readingReadingarbitrary unitsReading of the air pressure
23 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.
24 Wind force descriptionWind force descrAll reported wind forces on this day
25 Present weatherwwWeather description
26 Precipitation descriptionPrecip descr
27 Cloud typeCloud type
28 ClearnessClearness
29 GustsGusts1 If wind gusts are reported
30 Precipitation/RainRain1 If rain was reported
31 FogFog1 If fog was reported
32 Snow typeSnow1 If snow was reported
33 ThunderThunder1 If thunder and or lightning was reported
34 HailHail1 If hail was reported
35 Sea iceSea ice1 If sea-ice or icebergs were reported
36 CommentComment
37 IdentificationIDCLIWOC 2.1 line number
Size:
663 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]

Image no/name
(Identification Number of the ...)

Landmark
(Name of first landmark)
10 
Bearing
(Bearing of the first landmark)
11 
Distance [arbitrary units]
(Distance to the first landmark)
12 
Landmark
(Name of second landmark)
13 
Bearing
(Bearing of the second landmark)
14 
-
(1 If position is considered t...)
15 
Watch
(Name of the period of 4 hours...)
16 
Glasses
(Number of glasses within a wa...)
17 
Course
(Course of the ship during the...)
18 
Distance [arbitrary units]
(Distance travelled during the...)
19 
Comment
(Other remarks, that were not ...)
20 
Decl [deg]
(It is generally accepted by t...)
21 
Reading [arbitrary units]
(Reading of the (outside) air ...)
22 
Reading [arbitrary units]
(Reading of the air pressure)
23 
Wind dir descr
(All reported wind directions ...)
24 
Wind force descr
(All reported wind forces on t...)
25 
ww
(Weather description)
26 
Precip descr
27 
Cloud type
28 
Clearness
29 
Gusts
(1 If wind gusts are reported)
30 
Rain
(1 If rain was reported)
31 
Fog
(1 If fog was reported)
32 
Snow
(1 If snow was reported)
33 
Thunder
(1 If thunder and or lightning...)
34 
Hail
(1 If hail was reported)
35 
Sea ice
(1 If sea-ice or icebergs were...)
36 
Comment
37 
ID
(CLIWOC 2.1 line number)
1841-07-14T13:0032.47-17.18241.01032.017.8MAR_D23905_5336_0044VM8WZW4.00-2164.00774.00ZO-NOFLAUWE ONGESTADIGE KOELTEGOED WEERHELDERE LUCHT0000000286875
1841-07-15T13:0032.13-17.04244.6MAR_D23905_5336_0045W-HOEK MADEIRANWO-HOEK MADEIRANOTO 1/2 OVM8Z3/4O6.00-21NOSTIL-BRAMZEILSKOELTEMOOI WEERHELDERE LUCHT0000000286876
1841-07-16T13:0032.13-18.9822.9MAR_D23905_5336_0046VM8W1/4N25.00-21NNOAANWAKKERENDE KOELTEGOED WEEROVERDRIJVENDE LUCHT0000000286877
1841-07-17T13:0033.33-20.02344.91033.321.1MAR_D23905_5336_0047VM8NW3/4N22.50-2270.00775.00NO-NOTOFRISSE BRAMZEILSKOELTEBETROKKEN OPKLARENDE LUCHT0000000286878
1841-07-18T13:0034.19-20.8811.01038.721.7MAR_D23905_5336_0048ST MARIE (AZOREN) (GIS)NW 3/4 W68NWTN1/8W16.00-2271.00779.00NNOFLAUWE KOELTEMOOI WEERHELDERE LUCHT0000000286879
1841-07-19T13:0035.06-21.9812.61040.021.1MAR_D23905_5336_0049ST MARIE (GIS)NW 1/2 W44VM8NW1/8W22.50-2270.00780.00NNOFLAUWE BRAMZEILSKOELTEMOOI WEER0000000286880
1841-07-20T14:0035.66-22.853382.91037.320.0MAR_D23905_5336_0050VM8NNW1/2W9.50-2268.00778.00NAANWAKKERENDE KOELTEMOOI WEERWOLKDRIJVENDE LUCHT0000000286881
1841-07-21T14:0036.49-23.303161034.723.3MAR_D23905_5336_0051VM8NNW2/3W14.75-2274.00776.00NNWAANWAKKERENDEGOED WEERHELDERE LUCHT0000000286882
1841-07-22T14:0037.75-23.40204.61034.722.8MAR_D23905_5336_0052VM8N3/8W14.00-2573.00776.00NO EN NNOBRAMZEILSKOELTEMOOI WEERBETROKKEN LUCHT0000000a trivial correction was made in this observation286883
1841-07-24T14:0040.76-24.27652.61040.022.8MAR_D23905_5336_0053KAAP CLEAR (GIS)NO219VM8N7/8W26.75-2573.00780.00O EN NOFLAUWE ONGESTADIGE BRAMZEILSKOELTEOVEDRIJVENDE LUCHT0000000a trivial correction was made in this observation286884
1841-07-25T14:0041.88-25.30201037.322.8MAR_D23905_5336_0054VM8N2/3W20.00-2573.00778.00NOMOOI WEERHELDERE LUCHT0000000286885
1841-07-26T14:0042.55-25.433241041.323.3MAR_D23905_5336_0055KAAP CLEAN (GIS)NO 1/4 O204VM8NTW9.00-2574.00781.00NTWMOOI WEERHELDERE LUCHT0000000286886
1841-07-27T14:0043.25-24.38171.01034.722.8MAR_D23905_5336_0056VM8NO1/4O16.00-2873.00776.00NOFLAUWEBETROKKEN LUCHT0000000286887
1841-07-28T14:0044.43-25.50172.61041.321.7MAR_D23905_5336_0057VM8NNW5/8W19.25-2871.00781.00NO EN ONOONGESTADIGE KOELTEMOOI WEEROVERDRIJVENDE LUCHT0000000286888
1841-07-29T14:0045.45-25.903556.71041.321.7MAR_D23905_5336_0058VM8NTW1/2W16.00-2871.00781.00NNOSTIJVE BRAMZEILSKOELTE0000000286889
1841-07-30T14:0046.02-23.453212.91037.321.1MAR_D23905_5336_0059VM8OTZ5/8N23.00-2870.00778.00NNW-NTWAANWAKKERENDE KOELTEREGENACHTIG WEDER0100000286890
1841-07-31T13:0046.78-21.071032.017.8MAR_D23905_5336_0060SCOLLY (GIS)ONO 1/2 O154VM8NOTO2/3O26.75-2764.00774.000000000286891
1841-08-02T13:0049.25-18.252406.71032.017.8MAR_D23905_5336_0061VM8NNO32.25-3064.00774.00W EN NWONGESTADIGE MARSZEILSKOELTE EN MINDERENDE KOELTEMET MISTREGENHELDERE LUCHT0110000286892
1841-08-03T13:0051.68-16.2735426.81000.017.8MAR_D23905_5336_0062VM8NNO1/2O41.25-2964.00750.00NNOBRAMZEILSKOELTE, GEREEFDE MARSZEILSKOELTE TOT STORM MET WINDVLAGENIN T NNO DIKKE LUCHTMET REGEN0100000286893
1841-08-04T13:0052.31-13.90846.7MAR_D23905_5336_0063VM8NO2/3O14.00-29OZOONGESTADIGE EN AANWAKKERENDE KOELTE, MARSZEILSKOELTE EN GEREEFDE MARSZEILSKOELTEMET REGENDIKKE LUCHT0100000286894
1841-08-05T13:0053.67-13.0128326.8MAR_D23905_5336_0064VM8NNO1/8O25.00-32WNW, NWAANWAKKERENDE GEREEFDE MARSZEILSKOELTE TOT STORM MET WINDVLAGENMET EEN WEINIG REGENOVERDRIJVENDE LUCHT0100000286895
1841-08-06T13:0054.80-12.521932.9MAR_D23905_5336_0064VM8NNO1/2O21.00-32ZW EN WZWAANWAKKERENDE KOELTE0000000286896
1841-08-07T13:0057.03-10.88MAR_D23905_5336_0065VM8NNO1/3O18.50-300000000286897
1841-08-08T13:0058.48-8.212602.6MAR_D23905_5336_0066VM8NNO10.00-33WNWFLAUWE BRAMZEILSKOELTEMOOI WEEROVERDRIJVENDE LUCHT0000000286898
1841-08-09T12:0059.55-6.291282.6MAR_D23905_5336_0067FAIR ISLAND (ORKNEIJS) (GIS)O 1/4 Z35VM8NNO1/2O19.50-30ZZOFLAUWE BRAMZEILSKOELTEMOOI WEER0000000286899
1841-08-10T12:0059.48-4.313306.1MAR_D23905_5336_0068VM8O1/2Z15.00-30NFLAUWE MARSZEILSKOELTEMOOI WEER0000000286900
1841-08-11T12:0059.57-1.762892.6MAR_D23905_5336_0069VM8O1/8W19.25TEKENING VAN NEPTUNUS.-26NWFLAUWE EN AFWISSELENDE KOELTEMOOI WEEROVERDRIJVENDE LUCHT0000000286901
1841-08-12T12:0056.90-0.283139.3MAR_D23905_5336_0069VM8ZZO42.50-25NNWGEREEFDE MARSZEILSKOELTEMIN OF MEER OPKLARING0000000286902
1841-08-13T12:0053.702.952264.9MAR_D23905_5336_0070KIJKDUIN (GIS)ZO21VM8ZZO3/8O48.50-22WZWFRISSE BRAMZEILSKOELTEMOOI WEER0000000286903
1841-08-14T00:001582.6MAR_D23905_5336_00721VM8ZZOONGESTADIGE KOELTESTORMIGREGEN0100000286904