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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 AMICITIA cruise from Kaap de Goede Hoop to Batavia started at 1850-07-21 [dataset]. Koninklijk Nederlands Meteorologisch Instituut, De Bilt, PANGAEA, https://doi.org/10.1594/PANGAEA.747351, 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: -30.913030 * Median Longitude: 70.615758 * South-bound Latitude: -38.530000 * West-bound Longitude: 17.100000 * North-bound Latitude: -6.100000 * East-bound Longitude: 106.860000
Date/Time Start: 1850-07-21T00:00:00 * Date/Time End: 1850-08-23T05:00:00
Event(s):
Amicitia_18500721_T_REIS_22_P221-229 * Latitude Start: -34.080000 * Longitude Start: 17.820000 * Latitude End: -6.100000 * Longitude End: 106.860000 * Date/Time Start: 1850-07-21T00:00:00 * Date/Time End: 1850-08-23T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Amicitia, Voyage: Kaap De Goede Hoop - Batavia, 1st Observer: C. Abrahams Jr. (Kapitein)
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 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 CommentComment
29 IdentificationIDCLIWOC 2.1 line number
Size:
660 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 
ww
(Weather description)
17 
Precip descr
18 
State sea descr
19 
Cloud type
20 
Clearness
21 
Gusts
(1 If wind gusts are reported)
22 
Rain
(1 If rain was reported)
23 
Fog
(1 If fog was reported)
24 
Snow
(1 If snow was reported)
25 
Thunder
(1 If thunder and or lightning...)
26 
Hail
(1 If hail was reported)
27 
Sea ice
(1 If sea-ice or icebergs were...)
28 
Comment
29 
ID
(CLIWOC 2.1 line number)
1850-07-21T00:009012.31ONDER ZEIL NAAR JAVA6O5-6Z01V0000000009402
1850-07-22T11:00-34.9717.101966.7999.114.4-29458.0029.50ZW4V0000000009403
1850-07-23T11:00-35.5817.732859.3995.716.1-30561.0029.40NW5V00, V1000000009404
1850-07-24T11:00-37.0519.6026322.6992.316.7-30962.0029.30WNW10-9W02Z0210000009405
1850-07-25T10:00-38.2523.432179.3978.716.7-31562.0028.90WZW5Z01H000000000a trivial correction was made in this observation9406
1850-07-26T10:00-37.4828.3733112.31005.815.0-29659.0029.70N6V1000000009407
1850-07-27T10:00-37.5732.0331822.61002.416.1-31961.0029.60NTW9Z01V0600000009408
1850-07-28T10:00-37.9836.422394.6999.118.3-31365.0029.50W3H0100000009409
1850-07-29T09:00-37.8539.7821815.41005.817.8-30764.0029.70WZW6-7W00Z01V0510000009410
1850-07-30T09:00-37.7744.272644.61002.417.2-29363.0029.60WNW3Z04V0000000009411
1850-07-31T09:00-37.7747.772879.31005.816.1-28561.0029.70NW4-5V0500000009412
1850-08-01T09:00-37.4551.583366.7999.116.1-24461.0029.50N4V02H0000000009413
1850-08-02T08:00-37.3855.8022519.0999.117.8-23864.0029.50WZW7-8Z01H0100000009414
1850-08-03T08:00-37.2359.972049.3985.517.2-21563.0029.10ZW6-5V0400000009415
1850-08-04T08:00-37.2364.2229512.3999.113.9-20657.0029.50NW5-6W20V1001000009416
1850-08-05T08:00-37.1767.1729515.41005.815.0-20759.0029.70NW6-7Z01V1000000009417
1850-08-06T07:00-37.7270.802466.71005.814.4-24458.0029.70W4W00W2011000009418
1850-08-07T07:00-38.4375.501806.7992.315.6-23460.0029.30ZZW4V03H0000000009419
1850-08-08T07:00-38.4379.0724812.3992.313.9-22657.0029.30W6V00, V0100000009420
1850-08-09T06:00-38.5383.1722719.0988.913.9-21857.0029.20WZW7-8W00V05H0110000009421
1850-08-10T06:00-37.2887.632219.3988.914.4-15558.0029.20ZWTW5Z01V0100000009422
1850-08-11T06:00-35.6091.102339.3999.113.3-15556.0029.50WZW5V05H0000000009423
1850-08-12T06:00-33.7093.9230212.3999.113.9-13657.0029.50NW5-6W00W2011000009424
1850-08-13T06:00-31.4097.1723815.4988.915.6-10760.0029.20WZW6-7W0110000009425
1850-08-14T05:00-29.50100.3819412.3992.315.6-9660.0029.30ZZW5-6V00, V0100000009426
1850-08-15T05:00-26.50102.671306.7999.116.1-5461.0029.50ZO4V0500000009427
1850-08-16T05:00-24.10104.331086.71002.417.8-5464.0029.60OZO4V0300000009428
1850-08-17T05:00-22.20105.031106.71002.418.9-3466.0029.60OZO4V0000000009429
1850-08-18T05:00-19.10105.5011012.31002.421.1-3670.0029.60OZO5-6V00, V0100000009430
1850-08-19T05:00-15.55106.021129.3999.122.8-1573.0029.50OZO5V01H0000000009431
1850-08-20T05:00-12.25105.781586.7999.124.40476.0029.50ZZO4V0000000009432
1850-08-21T05:00-8.78105.051589.3992.325.6STUURDEN VOLGENS PEILING0578.0029.30ZZO4-5V00, V0200000009433
1850-08-22T05:00-6.23105.101591.0995.726.71180.0029.40ZZO1V00H0000000009434
1850-08-23T05:00-6.10106.862820.011WTNSTIL00000009435