Field-scale net ecosystem exchange and feedback of subsurface heterogeneous structures with the atmosphere
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| Titles: | Main Title: Field-scale net ecosystem exchange and feedback of subsurface heterogeneous structures with the atmosphere Subtitle: PhD Report 2 |
| Description: | Abstract: The current report is an update of the current working status within project B1. We performed and analysed several spatial measurements such as electromagnetic induction and electronic resistivity tomography to investigate within-field subsurface heterogeneity. Kriging procedures were applied for the interpolation and mapping of the geophysical data. On the basis of the data, two contrasting points (Intensive Monitoring Points – IMP) in terms of their subsurface composition were defined for the upcoming measurement campaign starting in April 2016. In sum, correlations between texture and EMI were weak because the textural differences are not very distinct, especially in the topsoil (0-30cm). In contrast, correlations between EMI and stone content seem to be stronger so that an additional campaign is going to include stone content analyses at some locations on the field. In addition, the soil water retention curves at the two IMPs also showed some differences. Because the Mualem-van Genuchten parameters have to be known for setting-up the soil hydraulic model, which again is a prerequisite for the AgroC model, measurements and analyses of these parameters will follow. |
Responsible Party
| Creator: | Philipp Pohlig (Author) |
| Publisher: | CRC/TR32 Database (TR32DB) |
| Publication Year: | 2017 |
Topic
| TR32 Topic: | Soil |
| Related Subproject: | B1 |
| Subjects: | Keywords: Soil Texture, Stoniness, EMI, External Drift Kriging, soil Hydraulic Properties, PhD Report |
| Geogr. Information Topic: | Environment |
File Details
| Filename: | pohlig_report2.pdf |
| Data Type: | Text - Text |
| Size: | 18 Pages |
| File Size: | 1.3 MB |
| Date: | Created: 15.05.2016 |
| Mime Type: | application/pdf |
| Data Format: | |
| Language: | English |
| Status: | Completed |
Constraints
| Download Permission: | Only Project Members |
| General Access and Use Conditions: | According to the TR32DB data policy agreement. |
| Access Limitations: | According to the TR32DB data policy agreement. |
| Licence: | [TR32DB] Data policy agreement |
Geographic
Specific Information - Report
| Report Date: | 26th of April, 2016 |
| Report Type: | PhD Report |
| Report City: | Jülich |
| Report Institution: | Forschungszentrum Jülich, IBG-3 |
| Volume: | 2 |
| Number of Pages: | 18 (1 - 18) |
Metadata Details
| Metadata Creator: | Philipp Pohlig |
| Metadata Created: | 06.07.2017 |
| Metadata Last Updated: | 06.07.2017 |
| Subproject: | B1 |
| Funding Phase: | 3 |
| Metadata Language: | English |
| Metadata Version: | V50 |
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| Page Visits: | 560 |
| Metadata Downloads: | 0 |
| Dataset Downloads: | 3 |
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