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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 El Aguila cruise from Concepción to El Callao de Lima started at 1768-09-15 [dataset]. Archivo Museo Naval Madrid, Spain, PANGAEA, https://doi.org/10.1594/PANGAEA.748814, 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: -22.735333 * Median Longitude: -75.923333 * South-bound Latitude: -36.500000 * West-bound Longitude: -77.400000 * North-bound Latitude: -12.380000 * East-bound Longitude: -73.680000
Date/Time Start: 1768-09-15T17:00:00 * Date/Time End: 1768-10-01T00:00:00
Event(s):
El_Aguila_17680915_MS_877 * Latitude Start: -36.100000 * Longitude Start: -73.880000 * Latitude End: -12.370000 * Longitude End: -78.670000 * Date/Time Start: 1768-09-15T00:00:00 * Date/Time End: 1768-10-01T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: El Aguila (Fragata), Voyage: Concepción (Chile) - El Callao (Perú), 1st Observer: Domingo Bonechea (Capitan)
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
LandmarkLandmarkName of first landmark
BearingBearingBearing of the first landmark
Distance to landmarkDistancearbitrary unitsDistance to the first landmark
CourseCourseCourse of the ship during the past 24 hours
10 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
11 CommentCommentOther remarks, that were not possible to put in the other remark fields
12 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.
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 Wind force descriptionWind force descrAll reported wind forces on this day
15 Present weatherwwWeather description
16 State of the sea descriptionState sea descr
17 GustsGusts1 If wind gusts are reported
18 Precipitation/RainRain1 If rain was reported
19 FogFog1 If fog was reported
20 Snow typeSnow1 If snow was reported
21 ThunderThunder1 If thunder and or lightning was reported
22 HailHail1 If hail was reported
23 Sea iceSea ice1 If sea-ice or icebergs were reported
24 IdentificationIDCLIWOC 2.1 line number
Size:
266 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...)

Landmark
(Name of first landmark)

Bearing
(Bearing of the first landmark)

Distance [arbitrary units]
(Distance to the first landmark)

Course
(Course of the ship during the...)
10 
Distance [arbitrary units]
(Distance travelled during the...)
11 
Comment
(Other remarks, that were not ...)
12 
Decl [deg]
(It is generally accepted by t...)
13 
Wind dir descr
(All reported wind directions ...)
14 
Wind force descr
(All reported wind forces on t...)
15 
ww
(Weather description)
16 
State sea descr
17 
Gusts
(1 If wind gusts are reported)
18 
Rain
(1 If rain was reported)
19 
Fog
(1 If fog was reported)
20 
Snow
(1 If snow was reported)
21 
Thunder
(1 If thunder and or lightning...)
22 
Hail
(1 If hail was reported)
23 
Sea ice
(1 If sea-ice or icebergs were...)
24 
ID
(CLIWOC 2.1 line number)
1768-09-15T17:00-36.50-73.682164.613SSOFLOJO(...) AMANEC. HORIZ., CARGADOSMAR LLANA000000069562
1768-09-16T17:00-34.43-74.38238LA COSTA25NO13SOANOCHEC. HORIZ. NUBLADOS, MAR GURESA DEL SO, VTO LO MISMO. AMANEC. LO MISMO.000000069563
1768-09-17T17:00-32.93-74.68238VALPARAÍSOE 1/4 SE33NNO83.0013SO000000069564
1768-09-18T17:00-30.57-75.20170PUNTA DE LA BALLENAE 1/4 SE51NNO139.0012SSEANOCHEC. HORIZ.PARDOS Y MAR PICADA DEL S Y SO, VTO SSE FRESCO. AMANEC. LO MISMO.000000069565
1768-09-19T17:00-28.00-75.68170AL O DE LA PUNTA QUE LLAMAN TORALO80NNO144.0012SSEANOCHEC. HRIZ. NUBLADOS, MAR PICADA DEL EL VTOY ESTE FRESCO DEL SSE. AMANEC. LO MISMO000000069566
1768-09-20T17:00-25.68-76.17168PUNTA DE LAS VENASO100NNO145.0010SSEANOCHEC. HORIZ. NUBLADOS, MAR ALGO MÁS BONANCIBLE Y VTO SSE FRESCO. AMANEC. LO MISMO.000000069567
1768-09-21T17:00-23.78-76.27168CABO SAN JORGEO81NNO116.0010SSEANOCHEC. HORIZ. NUBLADOS, MAR MÁS BONANCIBLE. AMANEC. LO MISMO000000069568
1768-09-22T17:00-22.15-76.27190PAQUICAO105N 1/4 NO10SANOCHEC. HORIZ. AHUMADOS, MAR BONANCIBLE DEL VTOY ESTE SSE FLOJO. AMANEC. LO MISMO.000000069569
1768-09-23T17:00-19.77-76.27168IQUICAO(AL O DE IQUIC102N 1/4 NO142.5010SSEANOCHEC. HORIZ. NUBLADOS, MAR LLANA, VTO SSE FRESQUITO (...) AMANEC. EN LA MISMA CONFORMIDAD.000000069570
1768-09-24T17:00-17.48-76.27167LA COSTA80N 1/4 NO138.009SSEANOCHEC. HORIZ. MUY SUCIOS, MAR BONANCIBLE Y VTO SSE FRESQUITO. AMANEC. LO MISMO.000000069571
1768-09-25T17:00-16.03-76.20144CABO SAN NICOLÁSNNE 5º E20N 1/4 NO109.009SEANOCHEC. HORIZ. CARGADOS, MAR LLANA, VTO FRESCO DEL ESE. AMANEC. LOS MISMOS HORIZ. SÓLO EL VTO FLOJO.000000069572
1768-09-26T17:00-14.63-76.12167NASCAE7N 1/4 NO70.009SSEANOCHEC. HORIZ. AHUMADOS, MAR BONANCIBLE Y VTO LO MISMO. AMANE. LO MISMO.000000069573
1768-09-27T17:00-13.80-76.93122SAN GALLANE6NO 1/4 O69.009ESEANOCHEC. HORIZ. CLAROS, MAR Y VTO BONANCIBLES. AMANEC. HORIZ. NUBLADOS.000000069574
1768-09-28T17:00-12.90-77.33144NNO 5º N65.009SEANOCHEC. HORIZ. CARGADOS, MAR LLANA, VTO SSE FRESQUITO. AMANEC. LO MISMO.000000069575
1768-09-29T17:00-12.38-77.40167NO 1/4 O31.009SSEANOCHEC. HORIZ. TOMADOS, MAR BELLA Y VTO SE FLOJO. AMANEC. NUBLADO, Y EN CALMA CUASI.000000069576
1768-09-30T00:00EN DEMANDA DEL PUERTOANOCHEC. HORIZ. NUBLADOS, MAR LLANA (...)000000069577
1768-10-01T00:002032.6(LLEGADA A EL CALLAO. FIN DEL DIARIO Y DEL DOCUMENTO).SSOFLOJITOAMANEC. HORIZ. NUBLADOS Y EL VTO SSO FLOJITO000000069578