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Eugster, Werner; Ammann, Brigitta (2012): The albedo of junipers measured in summer 2009 at the Niederhorn, Switzerland [dataset]. Eidgenössische Technische Hochschule Zürich, PANGAEA, https://doi.org/10.1594/PANGAEA.774715

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Abstract:
This field study was performed to obtain a defensible value for the surface reflectivity (albedo) of Juniper shrublands that could be used by Brigitta Ammann to quantitatively assess the role of Juniper shrublands in surface energy balance feedbacks to climate after the last glaciation.
Measurements were carried out over a Juniper shrubland at mount Niederhorn, Switzerland (North of the Lake of Thun) during summer 2009 over a Juniper shrubland that was considered to present the most representative surface cover to estimate albedo for a modeling exercise that addresses biotic responses to the rapid warming around 14.685 ka BP at Gerzensee (Central Europe).
For a detailed description of this data set see "Further details:"
Further details:
The albedo of junipers. Measured in summer 2009 at the Niederhorn, Switzerland. hdl:10013/epic.38683.d001
Coverage:
Latitude: 46.709600 * Longitude: 7.779100
Date/Time Start: 2009-06-10T13:35:00 * Date/Time End: 2009-10-15T11:10:00
Event(s):
niederhorn (123) * Latitude: 46.709600 * Longitude: 7.779100 * Location: Niederhorn, Switzerland * Method/Device: Radiometer (RM)
Comment:
Date/time field corresponds to end of sampling period in local time. Data are presented in 5-minutes averaging interval.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1IdentificationIDEugster, Wernerdata ident. code
2DATE/TIMEDate/TimeGeocode
3Day of the yearDOYdayEugster, Werner
4Short-wave downward (GLOBAL) radiationSWDW/m2Eugster, WernerRadiometer, Kipp & Zonen, CNR 1
5Short-wave upward (REFLEX) radiationSWUW/m2Eugster, WernerRadiometer, Kipp & Zonen, CNR 1
6Long-wave downward radiationLWDW/m2Eugster, WernerRadiometer, Kipp & Zonen, CNR 1relative to instrument temperature
7Long-wave upward radiationLWUW/m2Eugster, WernerRadiometer, Kipp & Zonen, CNR 1relative to instrument temperature
8Temperature, technicalT tech°CEugster, WernerRadiometer, Kipp & Zonen, CNR 1measured with Pt100 (4-wire full-bridge)
9Albedo, fractionAlb fracEugster, WernerCalculatedfrom SWU/SWD
10Long-wave downward radiationLWDW/m2Eugster, Wernercorrected for instument temperature offsetabsolut
11Long-wave upward radiationLWUW/m2Eugster, Wernercorrected for instument temperature offsetabsolut
12Temperature, calculatedT cal°CEugster, WernerCalculatedapparent sky T, from LWD abs assuming black-body radiation (emissivity=1)
13Temperature, calculatedT cal°CEugster, WernerCalculatedapparent surface T, from LWU abs assuming black-body radiation (emissivity = 1)
Size:
438576 data points

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