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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 HELDIN cruise from Nederland to Rio de Janeiro started at 1831-12-25 [dataset]. Koninklijk Nederlands Meteorologisch Instituut, De Bilt, PANGAEA, https://doi.org/10.1594/PANGAEA.749556, 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: 12.317111 * Median Longitude: -22.816667 * South-bound Latitude: -23.230000 * West-bound Longitude: -42.500000 * North-bound Latitude: 50.550000 * East-bound Longitude: 0.520000
Date/Time Start: 1831-12-27T12:00:00 * Date/Time End: 1832-02-09T15:00:00
Event(s):
Heldin_18311225_T_REIS_14A_P118-122 * Latitude Start: 53.000000 * Longitude Start: 4.490000 * Latitude End: -23.370000 * Longitude End: -43.120000 * Date/Time Start: 1831-12-27T00:00:00 * Date/Time End: 1832-02-09T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Heldin (Korvet), Voyage: Nederland - Rio De Janeiro, 1st Observer: Anemaet (Luitenant Ter Zee), Company: MAR
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)
CommentCommentOther remarks, that were not possible to put in the other remark fields
10 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.
11 Wind scale referenceWind scale ref#Name of, or reference to the wind scale that has been used
12 Sensor readingReadingarbitrary unitsReading of the (outside) air thermometer
13 Sensor readingReadingarbitrary unitsReading of the air pressure
14 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.
15 Wind force descriptionWind force descrAll reported wind forces on this day
16 Precipitation descriptionPrecip descr
17 State of the sea descriptionState sea descr
18 Cloud typeCloud type
19 ClearnessClearness
20 GustsGusts1 If wind gusts are reported
21 Precipitation/RainRain1 If rain was reported
22 FogFog1 If fog was reported
23 Snow typeSnow1 If snow was reported
24 ThunderThunder1 If thunder and or lightning was reported
25 HailHail1 If hail was reported
26 Sea iceSea ice1 If sea-ice or icebergs were reported
27 CommentComment
28 IdentificationIDCLIWOC 2.1 line number
Size:
857 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...)

Comment
(Other remarks, that were not ...)
10 
Decl [deg]
(It is generally accepted by t...)
11 
Wind scale ref [#]
(Name of, or reference to the ...)
12 
Reading [arbitrary units]
(Reading of the (outside) air ...)
13 
Reading [arbitrary units]
(Reading of the air pressure)
14 
Wind dir descr
(All reported wind directions ...)
15 
Wind force descr
(All reported wind forces on t...)
16 
Precip descr
17 
State sea descr
18 
Cloud type
19 
Clearness
20 
Gusts
(1 If wind gusts are reported)
21 
Rain
(1 If rain was reported)
22 
Fog
(1 If fog was reported)
23 
Snow
(1 If snow was reported)
24 
Thunder
(1 If thunder and or lightning...)
25 
Hail
(1 If hail was reported)
26 
Sea ice
(1 If sea-ice or icebergs were...)
27 
Comment
28 
ID
(CLIWOC 2.1 line number)
1831-12-27T12:0050.550.52116.71022.89.41ONDER ZEIL-23449.0030.20NOTN4V00, V040000000108931
1831-12-28T12:0049.93-4.20316.71022.810.01-25450.0030.20NOTO5-4V040000000108932
1831-12-29T13:0048.87-7.77189.31019.411.1-27552.0030.10NO5V04, V060000000108933
1831-12-30T13:0046.37-10.103212.31017.710.6-24651.0030.05NOTO6W20V050100000108934
1831-12-31T13:0044.07-12.531334.61017.712.2-25354.0030.05ONO, ZZO3V050000000108935
1832-01-01T13:0042.03-14.4529212.31005.811.7-23653.0029.70NW6V100000000108936
1832-01-02T13:0041.23-14.3229219.01012.611.7-23853.0029.90NW8W20Z01V100100000108937
1832-01-03T13:0037.98-15.2729215.41012.616.1-23761.0029.90WZW, NW7W20V050100000108938
1832-01-04T13:0035.17-15.1828215.41019.416.1-22761.0030.10NWTW8-7Z01V000000000a trivial correction was made in this observation108939
1832-01-05T13:0032.80-15.172149.31049.816.1-22561.0031.00ZWTW5V10H000000000108940
1832-01-06T13:0029.70-15.232396.71021.117.8-20464.0030.15WTZ4V050000000108941
1832-01-07T13:0028.22-15.45366.71021.120.6-20469.0030.15NOTO4V040000000108942
1832-01-08T13:0026.78-16.10379.31019.420.0-19568.0030.10NOTO5V040000000108943
1832-01-09T13:0025.47-18.071056.71012.621.1-19470.0029.90ZOTO4V000000000108944
1832-01-10T13:0023.48-19.932401.01014.321.1-19170.0029.95WTZ1W20V04, V100100000108945
1832-01-11T13:0023.37-21.100.01014.320.6-19069.0029.95STILV100000000108946
1832-01-12T13:0022.77-21.401166.71014.321.7-19471.0029.95ZO4H010000000108947
1832-01-13T13:0021.90-22.23729.31014.321.7-18571.0029.95O5H010000000108948
1832-01-14T14:0020.05-23.83514.61012.621.7-17371.0029.90ONO3H010000000108949
1832-01-15T14:0018.58-25.42626.71012.621.7-17471.0029.90OTN4H010000000108950
1832-01-16T14:0016.32-26.05646.71012.622.2-15472.0029.90OTN4H010000000108951
1832-01-17T14:0014.12-25.62536.71012.622.2-15472.0029.90ONO4V040000000108952
1832-01-18T14:0012.05-24.43429.31012.624.4-14576.0029.90NOTO5V040000000108953
1832-01-19T13:0010.05-22.45184.61012.625.6-16378.0029.90NOTN3V000000000108954
1832-01-20T13:008.98-21.703221012.625.6-1678.0029.90NNWV000000000108955
1832-01-21T13:007.83-21.2374.61012.626.7-16380.0029.90NNO3H000000000108956
1832-01-22T13:006.30-20.83189.31012.631.7-16589.0029.90NOTN5V040000000108957
1832-01-23T13:004.60-20.833441.01012.627.2-16181.0029.90N1H000000000108958
1832-01-24T13:003.82-20.881086.71010.927.8-16482.0029.85ZOTO4V100000000108959
1832-01-25T13:003.02-21.101426.71011.227.8-16482.0029.86ZZO4V040000000108960
1832-01-26T13:001.33-22.4313112.31010.927.8-15682.0029.85ZOTZ5-6H000000000108961
1832-01-27T14:00-0.53-24.471336.71009.226.7-13480.0029.80ZOTZ4V040000000108962
1832-01-28T14:00-2.15-25.401339.31010.627.2-13581.0029.84ZOTZ5V040000000108963
1832-01-29T14:00-4.38-27.001019.31012.627.2-12581.0029.90OZO5V000000000108964
1832-01-30T14:00-6.98-28.6211512.31012.627.8-9682.0029.90ZOTO6V040000000108965
1832-01-31T14:00-9.53-30.1711512.31016.027.2-9681.0030.00ZOTO6V100000000108966
1832-02-01T14:00-12.33-31.431049.31016.026.7-9580.0030.00OZO5W20V100100000108967
1832-02-02T14:00-15.33-32.77966.71012.626.7-5480.0029.90OTZ4V040000000108968
1832-02-03T14:00-17.80-34.20306.71012.626.7-4480.0029.90NOTN4V040000000108969
1832-02-04T14:00-19.87-35.623119.31009.226.7-4580.0029.80NW6-5V100000000108970
1832-02-05T15:00-22.17-38.251576.71009.226.1-1479.0029.80ZZO4V000000000108971
1832-02-06T15:00-22.88-38.770.01010.925.0177.0029.85STILV050000000108972
1832-02-07T15:00-23.17-40.602829.31009.223.91575.0029.80ZZW, WTN5W20V100100000108973
1832-02-08T15:00-23.12-42.172269.31009.224.41576.0029.80ZW3-5W20V040100000108974
1832-02-09T15:00-23.23-42.502049.315ZZW5V040000000108975