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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 MERCURIUS cruise from Afrika to Middelburg started at 1759-05-12 [dataset]. Rijksarchief Zeeland, Middelburg, Netherland, PANGAEA, https://doi.org/10.1594/PANGAEA.750728, 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: 21.395128 * Median Longitude: -21.744872 * South-bound Latitude: -3.200000 * West-bound Longitude: -41.080000 * North-bound Latitude: 49.750000 * East-bound Longitude: 7.020000
Date/Time Start: 1759-05-12T12:00:00 * Date/Time End: 1759-08-01T00:00:00
Event(s):
Mercurius_17590512_MCC_20_758 * Latitude Start: -0.250000 * Longitude Start: 7.020000 * Latitude End: 51.460000 * Longitude End: 3.330000 * Date/Time Start: 1759-05-12T00:00:00 * Date/Time End: 1759-08-01T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Mercurius, Voyage: Afrika - Middelburg, Company: MCC
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
Image number/nameImage no/nameIdentification Number of the original image
LandmarkLandmarkName of first landmark
BearingBearingBearing of the first landmark
Distance to landmarkDistancearbitrary unitsDistance to 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 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 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 Precipitation descriptionPrecip descr
21 State of the sea descriptionState sea descr
22 Cloud typeCloud type
23 GustsGusts1 If wind gusts are reported
24 Precipitation/RainRain1 If rain was reported
25 FogFog1 If fog was reported
26 Snow typeSnow1 If snow was reported
27 ThunderThunder1 If thunder and or lightning was reported
28 HailHail1 If hail was reported
29 Sea iceSea ice1 If sea-ice or icebergs were reported
30 CommentComment
31 IdentificationIDCLIWOC 2.1 line number
Size:
1445 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...)

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

Landmark
(Name of first landmark)

Bearing
(Bearing of the first landmark)

Distance [arbitrary units]
(Distance to 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 
Comment
(Other remarks, that were not ...)
16 
Decl [deg]
(It is generally accepted by t...)
17 
Wind dir descr
(All reported wind directions ...)
18 
Wind force descr
(All reported wind forces on t...)
19 
ww
(Weather description)
20 
Precip descr
21 
State sea descr
22 
Cloud type
23 
Gusts
(1 If wind gusts are reported)
24 
Rain
(1 If rain was reported)
25 
Fog
(1 If fog was reported)
26 
Snow
(1 If snow was reported)
27 
Thunder
(1 If thunder and or lightning...)
28 
Hail
(1 If hail was reported)
29 
Sea ice
(1 If sea-ice or icebergs were...)
30 
Comment
31 
ID
(CLIWOC 2.1 line number)
1759-05-12T12:00-0.257.021634.6MCC_20_758_0053VM8W13.50-17ZBRAMZEILSKOELTE0000000167441
1759-05-13T12:00-0.156.901412.6MCC_20_758_0053VM8ZTW5.25-17Z-ZZOLABBER KOELTE0000000167442
1759-05-14T12:00-0.326.851632.6MCC_20_758_0053VM8Z1/2W-17ZW-ZLABBER KOELTE0000000167443
1759-05-15T12:00-0.385.771524.6MCC_20_758_0053VM8WTZ16.50-17ZTOBRAMZEILSKOELTE0000000167444
1759-05-16T12:00-0.654.951744.6MCC_20_758_0053VM8WTZ12.50-17ZTWBRAMZEILSKOELTE0000000167445
1759-05-17T12:00-0.883.721634.6MCC_20_758_0053VM8WTZ19.00-17ZTO-ZBRAMZEILSKOELTE0000000167446
1759-05-18T12:00-1.132.531636.7MCC_20_758_0054VM8WTZ18.00-17ZMARSZEILSKOELTE0000000167447
1759-05-19T12:00-1.351.471424.9MCC_20_758_0054VM8W1/2Z16.00-16ZTO-ZZOFRISSE BRAMZEILSKOELTE0000000167448
1759-05-20T12:00-1.80-0.201424.6MCC_20_758_0054VM8WTZ25.50-16ZZOBRAMZEILSKOELTE0000000167449
1759-05-21T12:00-2.37-2.131194.6MCC_20_758_0054VM8WTZ29.50-16ZOGEMENE BRAMZEILSKOELTE0000000167450
1759-05-22T12:00-2.48-4.271214.6MCC_20_758_0054VM8W32.00-14ZOBRAMZEILSKOELTE0000000167451
1759-05-23T12:00-2.43-6.371324.6MCC_20_758_0054VM8W31.50-14ZOTZBRAMZEILSKOELTE0000000167452
1759-05-24T13:00-2.62-8.271244.6MCC_20_758_0054VM8W28.50-11ZOGEMENE BRAMZEILSKOELTE0000000167453
1759-05-25T13:00-2.77-9.671024.9MCC_20_758_0055VM8W21.00-11OZOFRISSE BRAMZEILSKOELTE0000000167454
1759-05-26T13:00-3.10-11.271024.6MCC_20_758_0055VM8W24.50-11OZOGEMENE BRAMZEILSKOELTE0000000167455
1759-05-27T13:00-3.20-13.00924.6MCC_20_758_0055VM8W25.50-9OTZGEMENE BRAMZEILSKOELTE0000000167456
1759-05-28T13:00-3.17-14.97924.6MCC_20_758_0055VM8W29.50-9OTZGEMENE BRAMZEILSKOELTE0000000167457
1759-05-29T13:00-2.60-16.471044.6MCC_20_758_0055VM8WNW24.50-9OZOBRAMZEILSKOELTE0000000167458
1759-05-30T13:00-2.38-18.171062.6MCC_20_758_0055VM8WTN26.00-7OZOLABBER KOELTE0000000167459
1759-05-31T13:00-1.97-19.081062.6MCC_20_758_0056VM8NWTW16.50-7OZOLABBER KOELTE0000000167460
1759-06-01T13:00-1.25-20.451284.6MCC_20_758_0056VM8NWTW24.50-7ZOGEMENE BRAMZEILSKOELTE0000000167461
1759-06-02T13:00-0.32-21.731284.9MCC_20_758_0056VM8NWTW23.00-7ZOFRISSE BRAMZEILSKOELTE0000000167462
1759-06-03T14:000.52-23.181314.6MCC_20_758_0056VM8NWTW26.00-4ZOBRAMZEILSKOELTE0000000167463
1759-06-04T14:001.32-24.27414.6MCC_20_758_0056VM8NWTW19.50-4NOBRAMZEILSKOELTE0000000167464
1759-06-05T14:002.30-24.901312.6MCC_20_758_0056VM8NWTN17.00-4ZOLABBER KOELTE0000000167465
1759-06-06T14:003.12-25.380.0MCC_20_758_0056VM8NWTN13.00-5STIL0000000167466
1759-06-07T14:003.98-25.951304.6MCC_20_758_0057VM8NWTN15.50-5ZOGEMENE BRAMZEILSKOELTEHOGE ZEE UIT NO0000000167467
1759-06-08T14:005.70-26.651304.6MCC_20_758_0057VM8NNW28.00-5ZOGEMENE BRAMZEILSKOELTEREGEN0100000167468
1759-06-09T14:007.47-27.524212.3MCC_20_758_0057VM8NWTN23.50-3NOSTIJVE KOELTE0000000167469
1759-06-10T14:008.03-28.63192.6MCC_20_758_0057VM8NWTW20.00-4NNOGEMENE KOELTE0000000167470
1759-06-11T14:009.07-29.35524.9MCC_20_758_0057VM8NWTN19.50-4NOTOFRISSE BRAMZEILSKOELTE0000000167471
1759-06-12T14:0010.30-30.15524.9MCC_20_758_0057VM8NWTN21.50-4NO-NOTOFRISSE BRAMZEILSKOELTE0000000167472
1759-06-13T14:0011.33-31.12416.7MCC_20_758_0058VM8NW20.50-4NOMARSZEILSKOELTE0000000167473
1759-06-14T14:0012.48-32.22416.7MCC_20_758_0058VM8NW23.00-4NOMARSZEILSKOELTE0000000167474
1759-06-15T14:0013.82-33.13659.3MCC_20_758_0058VM8NWTN24.50-3NOTO-ONOGEMENE-STIJVE MARSZEILSKOELTEREGENDIKKE LUCHT0110000167475
1759-06-16T14:0015.28-34.125312.3MCC_20_758_0058VM8NWTN26.00-3NOTOSTIJVE GEREEFDE MARSZEILSKOELTEREGENDIKKE LUCHT0110000167476
1759-06-17T14:0016.53-34.82534.6MCC_20_758_0058VM8NWTN1/2N21.50-3NO-NOTOBRAMZEILSKOELTE0000000167477
1759-06-18T14:0017.80-35.48524.6MCC_20_758_0058VM8NNW1/2W20.50-4NO-NOTOGEMENE BRAMZEILSKOELTE0000000167478
1759-06-19T14:0019.22-35.75642.6MCC_20_758_0059VM8NTW18.50-4ONOGEMENE KOELTE0000000167479
1759-06-20T14:0020.73-35.909.3MCC_20_758_0059VM8N1/2W22.00-4NOOGEREEFDE MARSZEILSKOELTE0000000167480
1759-06-21T14:0022.05-36.326412.3MCC_20_758_0059VM8NTW1/2W20.50-4ONODUBBEL GEREEFDE MARSZEILSKOELTE0000000167481
1759-06-22T14:0022.98-36.776212.3MCC_20_758_0059VM8NNW1/2W16.00-6ONODUBBEL GEREEFDE MARSZEILSKOELTEHOGE ZEE0000000167482
1759-06-23T14:0024.18-37.40392.6MCC_20_758_0059VM8NNW19.50-6NOGEMENE KOELTE0000000167483
1759-06-24T15:0025.65-38.23304.6MCC_20_758_0059VM8NWTN20.50-4NOTNBRAMZEILSKOELTE0000000167484
1759-06-25T15:0026.65-38.98524.6MCC_20_758_0060VM8NWTN18.00-4NOTOGEMENE BRAMZEILSKOELTE0000000167485
1759-06-26T15:0028.38-39.30624.6MCC_20_758_0060VM8NTW22.00-6ONOBRAMZEILSKOELTE0000000167486
1759-06-27T15:0029.82-39.63622.6MCC_20_758_0060VM8NTW23.00-6ONOGEMENE KOELTEGOED WEER0000000167487
1759-06-28T15:0031.20-39.95622.6MCC_20_758_0060VM8NTW21.50-6ONOLABBER KOELTE0000000167488
1759-06-29T15:0032.22-40.23732.6MCC_20_758_0060VM8NTW18.50-6OTNLABBER - GEMENE KOELTE0000000a trivial correction was made in this observation167489
1759-06-30T15:0033.72-40.38474.6MCC_20_758_0060VM8N1/2W19.00-9NO-NOTOBRAMZEILSKOELTE0000000167490
1759-07-01T15:0034.67-41.08472.6MCC_20_758_0061VM8NWTN15.50-9NOTOLABBER KOELTE0000000167491
1759-07-02T15:0035.48-40.882396.7MCC_20_758_0061VM8NTO12.50-9WZWMARSZEILSKOELTESTERKE REGENHOGE ZEE UIT ZW0100000167492
1759-07-03T15:0036.67-39.272954.6MCC_20_758_0061VM8NO27.50LEIJDEN DE COMPASSEN OP 11 GRADEN BEOOSTEN DE NAALDT-9NW-NWTWBRAMZEILSKOELTE0000000167493
1759-07-04T15:0037.62-38.052812.6MCC_20_758_0061VM820.50-12WNWLABBER KOELTE0000000167494
1759-07-05T14:0038.28-37.222132.6MCC_20_758_0062VM8NO14.00-12ZWLABBER KOELTE0000000167495
1759-07-06T14:0039.30-35.503264.6MCC_20_758_0062VM8NO28.50-12NWTN-NNWBRAMZEILSKOELTE0000000167496
1759-07-07T14:0039.90-34.032134.6MCC_20_758_0062VM8NOTO20.50-12ZWLABBER BRAMZEILSKOELTE0000000167497
1759-07-08T14:0040.60-33.052819.3MCC_20_758_0062VM8NOTO13.25-12W-WNWGEREEFDE MARSZEILSKOELTE0000000167498
1759-07-09T14:0041.52-31.8628012.3MCC_20_758_0062VM8NO17.00-13WNWDUBBEL GEREEFDE MARSZEILSKOELTEDIKKE MISTIGE LUCHTHOGE ZEE0010000167499
1759-07-10T14:0042.75-30.202541.0MCC_20_758_0063VM8NO24.00-16WFRISSE KOELTE0000000167500
1759-07-11T14:0044.33-27.83232MCC_20_758_0063VM8NO34.50-16WZW0000000167501
1759-07-12T14:0044.90-26.473542.6MCC_20_758_0063VM8NOTO16.00-17N-NTOGEMENE KOELTE0000000167502
1759-07-13T14:0044.90-25.873430.0MCC_20_758_0064VM8O5.00-17NSTIL0000000167503
1759-07-14T14:0045.58-24.862082.6MCC_20_758_0064VM8NO13.50-17ZWLABBER KOELTEDIKKE MISTIGE LUCHT0010000167504
1759-07-15T14:0046.68-23.162084.6MCC_20_758_0064VM8NO23.50-17ZWGEMENE BRAMZEILSKOELTEREGENDIKKE MISTIGE LUCHT0100000167505
1759-07-16T13:0048.00-21.002514.6MCC_20_758_0064VM8NO29.50-19WBRAMZEILSKOELTEGOED WEER0000000167506
1759-07-17T13:0048.42-18.872062.6MCC_20_758_0064VM8OTN21.00-19ZWGEMENE KOELTE0000000167507
1759-07-18T13:0048.75-15.941959.3MCC_20_758_0064VM8O1/2N28.00-19ZWTZSTIJVE MARSZEILSKOELTESWARE MIST0010000167508
1759-07-19T13:0048.90-13.451844.6MCC_20_758_0065VM8O1/2N24.00-19ZZWGEMENE BRAMZEILSKOELTESWARE MIST0010000167509
1759-07-20T13:0048.67-12.99942.6MCC_20_758_0065VM8ZO5.00-19OZOLABBER KOELTESWARE MISTREGEN0110000167510
1759-07-21T13:0049.28-12.031392.6MCC_20_758_0065VM8OTN8.50-19ZZOLABBER KOELTE0000000167511
1759-07-22T13:0049.22-11.7242.6MCC_20_758_0066VM8O2.00-19NNOLABBER KOELTE0000000167512
1759-07-23T13:0049.23-10.862962.6MCC_20_758_0066VM8O7.00-19NWLABBER KOELTE0000000167513
1759-07-24T13:0049.03-10.00262.6MCC_20_758_0066VM8OZO8.00-19NOGEMENE KOELTEDIKKE MISTIGE LUCHT0010000167514
1759-07-25T13:0049.12-9.563414.6MCC_20_758_0066VM8ONO1/2N3.50-19NBRAMZEILSKOELTE0000000167515
1759-07-26T13:0049.37-7.673304.6MCC_20_758_0067VM8OTN18.00-19N-NTWBRAMZEILSKOELTE0000000167516
1759-07-27T12:0049.62-5.6334112.3MCC_20_758_0067ENGELANDTS ENDNNOVM8OTN19.00-19NSTIJVE KOELTE0000000167517
1759-07-28T12:0049.75-4.503192.6MCC_20_758_0067LEZARD HOEKW1/2N61VM8OTN10.00BEVONDEN ONS VOLGENS PEIJLING 3 GR 41 MIN OFF 37 MIJLEN WESTELIJKER ALS GEGIST (OOSTELIJKER?)-19NNWLABBER KOELTE0000000167518
1759-08-01T00:002594.9MCC_20_758_0068WESTKAPPELO1VM8WTN-WTZFRISSE BRAMZEILSKOELTE0000000167519