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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 Margaretha en Maria cruise from Bremen to New York started at 1852-05-22 [dataset]. Koninklijk Nederlands Meteorologisch Instituut, De Bilt, PANGAEA, https://doi.org/10.1594/PANGAEA.750605, 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: 44.637885 * Median Longitude: -38.654231 * South-bound Latitude: 40.270000 * West-bound Longitude: -73.370000 * North-bound Latitude: 54.030000 * East-bound Longitude: 6.650000
Date/Time Start: 1852-05-22T12:00:00 * Date/Time End: 1852-07-12T17:00:00
Event(s):
Margaretha_En_Maria_18520522_M_REIS_32_P100-107 * Latitude Start: 54.030000 * Longitude Start: 6.650000 * Latitude End: 40.670000 * Longitude End: -74.040000 * Date/Time Start: 1852-05-22T00:00:00 * Date/Time End: 1852-07-12T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Margaretha En Maria, Voyage: Bremen - New York, 1st Observer: D. Van Ketwich
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
--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
GlassesGlassesNumber of glasses within a watch; one watch equals 8 glasses
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 air pressure
13 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.
14 Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
15 Wind force descriptionWind force descrAll reported wind forces on this day
16 Present weatherwwWeather description
17 Precipitation descriptionPrecip descr
18 State of the sea descriptionState sea descr
19 Cloud typeCloud type
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:
902 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Date/Time

Latitude

Longitude

dd [deg]

ff [m/s]

PPPP [hPa]

-

Watch

Glasses
10 
Decl [deg]
11 
Wind scale ref [#]
12 
Reading [arbitrary units]
13 
Wind dir descr
14 
Cur dir descr
15 
Wind force descr
16 
ww
17 
Precip descr
18 
State sea descr
19 
Cloud type
20 
Clearness
21 
Gusts
22 
Rain
23 
Fog
24 
Snow
25 
Thunder
26 
Hail
27 
Sea ice
28 
ID
1852-05-22T12:0054.036.6522.61VM8-212NNO2H000000000159803
1852-05-23T12:0053.835.033396.71VM8-214N4V050000000159804
1852-05-24T12:0052.383.0849.31VM8-195NNO5V050000000159805
1852-05-25T12:0051.522.421212.31025.31VM8-226769.00NOTN6W200100000159806
1852-05-26T12:0050.07-3.106612.31VM8-246O6Z010000000159807
1852-05-27T12:0048.97-7.4235912.3VM8-246NNO6Z01 O0000000159808
1852-05-28T13:0047.68-11.573349.3VM8-265N5W20V050100000159809
1852-05-29T13:0047.02-15.283574.6VM8-263NNO3W200100000159810
1852-05-30T13:0045.82-18.533112.6VM8-272NNW2H000000000159811
1852-05-31T13:0045.62-20.8219812.3VM8-27ZW4-6V100000000159812
1852-06-01T13:0046.05-21.972884.6VM8-273NW3V03H000000000159813
1852-06-02T14:0046.35-22.972982.6VM8-282NWTN2V04H000000000159814
1852-06-03T14:0046.32-24.473324.6VM8-28NW-N1-3W001000000159815
1852-06-04T14:0046.37-26.171974.6VM8-283ZW3W00V101000000159816
1852-06-05T14:0046.32-27.4031012.3VM8-286NNW6V030000000159817
1852-06-06T14:0046.48-27.622072.6VM8-292ZWTWS01 W2H00, H010000000159818
1852-06-07T14:0046.58-28.4030922.6VM8-29NNW10-9Z010000000159819
1852-06-08T14:0046.03-29.852974.6VM8-293NWTN3Z010000000159820
1852-06-09T14:0045.42-31.402974.6VM8-293NWTN3W001000000159821
1852-06-10T14:0044.20-32.633092.6VM8-292NNW2V00H000000000159822
1852-06-11T14:0043.93-34.022412.6VM8-292W2W20V130100000159823
1852-06-12T14:0044.05-35.672522.6VM8-292WTN2W100010000159824
1852-06-13T14:0043.33-35.732194.6VM8-293WZW3V050000000159825
1852-06-14T14:0043.97-36.832412.6VM8-292W2H000000000159826
1852-06-15T15:0043.77-38.222644.6VM8-293WNW3V05H000000000159827
1852-06-16T15:0044.45-38.9717415.4VM8-29ZZW4-7V100000000159828
1852-06-17T15:0044.88-40.922410.0VM8-29W2-0V010000000159829
1852-06-18T15:0044.48-41.483544.6VM8-293NNO3V05, V03, V00H000000000159830
1852-06-19T15:0044.22-43.1821915.4VM8-29WZW3-7W20V13, V100100000159831
1852-06-20T15:0044.58-45.732644.6VM8-293WNW3V03H000000000159832
1852-06-21T15:0044.07-46.351854.6VM8-293ZWTZ3W11V130010000159833
1852-06-22T15:0044.18-48.153562.6VM8-272NNO2W110010000159834
1852-06-23T15:0044.17-49.081982.6VM8-272ZW2W10W20V030110000159835
1852-06-24T15:0043.53-51.501312.6VM8-272ZZO2W200100000159836
1852-06-25T15:0043.12-51.682322.6VM8-272WTZS01 ZW20000000159837
1852-06-26T15:0042.82-52.422542.6VM8-272WTN2V00H000000000159838
1852-06-27T16:0041.92-52.582172.6VM8-192ZWTW2V00H000000000159839
1852-06-28T16:0040.80-53.052174.6VM8-193ZWTW3W20V13, V030100000159840
1852-06-29T16:0041.30-54.721952.6VM8-192ZWTZ2W20V05, V13H000100000159841
1852-06-30T16:0041.03-55.752622.6VM8-192WTN2H000000000159842
1852-07-01T16:0041.12-56.933302.6VM8-192NTW2V050000000159843
1852-07-02T16:0041.37-57.682439.3VM8-165WTZ5V100000000159844
1852-07-03T16:0041.58-60.3224315.4VM8-16WTZ3-7V000000000159845
1852-07-04T16:0042.43-60.75634.6VM8-163OTN30000000159846
1852-07-05T16:0042.70-61.62122.6VM8-222NOTN2H000000000159847
1852-07-06T16:0042.12-62.50636.7VM8-164OTN4NOORDERLICHTV00H000000000159848
1852-07-07T16:0041.47-64.801112.6VM8-132ZOTO2V00H000000000159849
1852-07-08T16:0040.85-66.621904.6VM8-133ZZW3V00H000000000159850
1852-07-09T17:0040.70-68.002504.6VM8-93WTZ3V050000000159851
1852-07-10T17:0040.40-68.531824.6VM8-93ZTW3V000000000159852
1852-07-11T17:0040.27-70.451826.7VM8-94ZTW4V03H000000000159853
1852-07-12T17:0040.50-73.371VM8-40000000159854