[1678] - Field-scale net ecosystem exchange and feedback of subsurface heterogeneous structures with the atmosphere

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Pohlig, P., 2016. Field-scale net ecosystem exchange and feedback of subsurface heterogeneous structures with the atmosphere. PhD Report, Forschungszentrum Jülich, IBG-3, Jülich. Accessed from http://www.tr32db.uni-koeln.de/data.php?dataID=1678 at 2019-04-25.
Title(s):Main Title: Field-scale net ecosystem exchange and feedback of subsurface heterogeneous structures with the atmosphere
Subtitle: PhD Report 3
Description(s):Abstract: Measurement data is intended to be used for calibration of AgroC modeling. Therefore, a measurement campaign was performed between April and October, 2017. During the whole period the field was cultivated with sugar beet. Continuous soil respiration data was collected at two locations, whereas weekly soil respiration measurements as well as net CO2 ecosystem exchange (NEE) measurements were performed at 20 locations on the field site. At four locations, plant biomass as well as Leaf Area Index (LAI) were also analysed on chosen dates. In addition, SoilNet sensors measuring soil water content and soil temperature were installed at 18 locations in three depths (i.e., 10, 20, and 50 cm), and meteorological and eddy covariance data was also collected in the centre of the field. In general, the test site can be divided between locations situated within and locations situated outside a paleochannel system. Referring to this, the subsurface of the paleochannels are determined by comparatively finer sediments and lower stone contents. A comparison between soil respiration, NEE, and soil water content showed siginificant differences especially during drought periods between data measured at locations situated on the paleochannels and locations outside the paleochannels. During such drought stress periods, soil respiration, NEE, and soil water content were higher within the paleochannel system.
Responsible Party
Creator(s):Author: Philipp Pohlig
Publisher:CRC/TR32 Database (TR32DB)
TR32 Topic:Soil
Related Sub-project(s):B1
Subject(s):CRC/TR32 Keywords: CO2 Flux, Soil Respiration, NEE, Soil Water Content, LAI, Biomass, PhD Report
Topic Category:Environment
File Details
File Name:pohlig_report3.pdf
Data Type:Text
Size(s):19 Pages
File Size:1207 kB (1.179 MB)
Date(s):Modified: 2017-06-22
Mime Type:application/pdf
Data Format:PDF
Download Permission:OnlyTR32
General Access and Use Conditions:According to the TR32DB data policy agreement.
Access Limitations:According to the TR32DB data policy agreement.
Measurement Region:Ellebach
Measurement Location:Selhausen
Specific Informations - Report
Report Date:25th of October, 2016
Report Type:PhD Report
Report City:Jülich
Report Institution:Forschungszentrum Jülich, IBG-3
Number Of Pages:19
Period of Pages:1 - 19
Metadata Details
Metadata Creator:Philipp Pohlig
Metadata Created:2017-07-06
Metadata Last Updated:2017-07-06
Funding Phase:3
Metadata Language:English
Metadata Version:V42
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