Tim Appelhans
Dr. Tim Appelhans
Since 10/2024 Lecturer, AG Klimatologie des Instituts für Geographie an der Universität Erlangen-Nürnberg.
2019 – 2024 Director Data Science, METER Group, now Addium.
2017 – 2019 Research Specialist, GfK Geomarketing GmbH.
2012 – 2016 Lecturer (Akad. Rat), AG Umweltinformatik, Philipps Universität Marburg.
2010 – 2012 Post-Doctoral Fellow, Universität Bayreuth & Philipps Universität Marburg.
2008 Lecturer, University of Otago, New Zealand.
2006 – 2010 PhD student, University of Canterbury, Christchurch, New Zealand.
1998 – 2005 Diplom Geogr., Friedrich-Alexander Universität Erlangen-Nürnberg.
2024
- Röder J., Appelhans T., Peters M.K., Nauss T., Brandl R.:
Disturbance can slow down litter decomposition, depending on severity of disturbance and season: an example from Mount Kilimanjaro
In: Web Ecology 24 (2024), S. 11-33
ISSN: 1399-1183
DOI: 10.5194/we-24-11-2024
BibTeX: Download
2022
- Ziegler A., Meyer H., Otte I., Peters M.K., Appelhans T., Behler C., Böhning-Gaese K., Classen A., Detsch F., Deckert J., Eardley C.D., Ferger S.W., Fischer M., Gebert F., Haas M., Helbig-Bonitz M., Hemp A., Hemp C., Kakengi V., Mayr A.V., Ngereza C., Reudenbach C., Röder J., Rutten G., Costa D.S., Schleuning M., Ssymank A., Steffan-Dewenter I., Tardanico J., Tschapka M., Vollstädt M.G.R., Wöllauer S., Zhang J., Brandl R., Nauss T., Nauss T.:
Potential of Airborne LiDAR Derived Vegetation Structure for the Prediction of Animal Species Richness at Mount Kilimanjaro
In: Remote Sensing 14 (2022), Art.Nr.: 786
ISSN: 2072-4292
DOI: 10.3390/rs14030786
BibTeX: Download
2020
Atmospheric moisture pathways of East Africa and implications for water recycling at Mount Kilimanjaro
In: International Journal of Climatology 40 (2020), S. 4477-4496
ISSN: 0899-8418
DOI: 10.1002/joc.6468
BibTeX: Download
, , , , , :
2019
- Hertel D., Huwe B., Kiese R., Kleyer M., Zhang J., Bogner C., Böhning-Gaese K., Brandl R., Fischer M., Steffan-Dewenter I., Kuzyakov Y., Nauss T., Schleuning M., Tschapka M., Hemp A., Peters M.K., Becker J.N., Appelhans T., Detsch F., Ensslin A., Behler C., Classen A., Gebert F., Gerschlauer F., Ferger S.W., Frederiksen S.B., Hemp C., Kindeketa W.J., Gütlein A., Helbig-Bonitz M., Mwangomo E., Ngereza C., Kühnel A., Mayr A.V., Renner M., Pabst H., Otte I., Njovu H.K., Sierra-Cornejo N., Schellenberger Costa D., Rutten G., Röder J., Howell K.M., Eardley C.D., Dulle H.I., Vollstädt M.G.R., Kakengi V., Ssymank A., Peters R.S., Keller A.:
Climate–land-use interactions shape tropical mountain biodiversity and ecosystem functions
In: Nature 568 (2019), S. 88-92
ISSN: 0028-0836
DOI: 10.1038/s41586-019-1048-z
BibTeX: Download
2017
- Röder J., Detsch F., Otte I., Appelhans T., Nauss T., Peters M., Brandl R.:
Heterogeneous patterns of abundance of epigeic arthropod taxa along a major elevation gradient
In: Biotropica 49 (2017), S. 217-228
ISSN: 0006-3606
DOI: 10.1111/btp.12403
BibTeX: Download - Gottwald J., Appelhans T., Adorf F., Hillen J., Nauss T.:
High-Resolution MaxEnt Modelling of Habitat Suitability for Maternity Colonies of the Barbastelle Bat Barbastella barbastellus (Schreber, 1774) in Rhineland-Palatinate, Germany
In: Acta Chiropterologica 19 (2017), S. 389-398
ISSN: 1508-1109
DOI: 10.3161/15081109ACC2017.19.2.015
BibTeX: Download - Kiese R., Gütlein A., Zistl-Schlingmann M., Becker J.N., Cornejo N.S., Detsch F., Dannenmann M., Appelhans T., Hertel D., Kuzyakov Y.:
Nitrogen turnover and greenhouse gas emissions in a tropical alpine ecosystem, Mt. Kilimanjaro, Tanzania
In: Plant and Soil 411 (2017), S. 243-259
ISSN: 0032-079X
DOI: 10.1007/s11104-016-3029-4
BibTeX: Download - Otte I., Detsch F., Gütlein A., Scholl M., Kiese R., Appelhans T., Nauss T.:
Seasonality of stable isotope composition of atmospheric water input at the southern slopes of Mt. Kilimanjaro, Tanzania
In: Hydrological Processes 31 (2017), S. 3932-3947
ISSN: 0885-6087
DOI: 10.1002/hyp.11311
BibTeX: Download - Böhning-Gaese K., Otte I., Schleuning M., Ferger S., Peters M., Appelhans T., Detsch F., Hemp A., Nauss T.:
Synergistic effects of climate and land use on avian beta-diversity
In: Diversity and Distributions 23 (2017), S. 1246-1255
ISSN: 1366-9516
DOI: 10.1111/ddi.12615
BibTeX: Download
2016
- Detsch F., Otte I., Appelhans T., Nauss T.:
A comparative study of cross-product NDVI dynamics in the Kilimanjaro region-a matter of sensor, degradation calibration, and significance
In: Remote Sensing 8 (2016), Art.Nr.: 159
ISSN: 2072-4292
DOI: 10.3390/rs8020159
BibTeX: Download - Meyer H., Kühnlein M., Appelhans T., Nauss T.:
Comparison of four machine learning algorithms for their applicability in satellite-based optical rainfall retrievals
In: Atmospheric Research 169 (2016), S. 424-433
ISSN: 0169-8095
DOI: 10.1016/j.atmosres.2015.09.021
BibTeX: Download - Appelhans T., Mwangomo E., Otte I., Detsch F., Nauss T., Hemp A.:
Eco-meteorological characteristics of the southern slopes of Kilimanjaro, Tanzania
In: International Journal of Climatology 36 (2016), S. 3245-3258
ISSN: 0899-8418
DOI: 10.1002/joc.4552
BibTeX: Download - Meyer H., Katurji M., Appelhans T., Müller M.U., Nauss T., Roudier P., Zawar-Reza P.:
Mapping daily air temperature for Antarctica Based on MODIS LST
In: Remote Sensing 8 (2016), Art.Nr.: 732
ISSN: 2072-4292
DOI: 10.3390/rs8090732
BibTeX: Download - Peters M.K., Hemp A., Appelhans T., Behler C., Classen A., Detsch F., Ensslin A., Ferger S.W., Frederiksen S.B., Gebert F., Haas M., Helbig-Bonitz M., Hemp C., Kindeketa W.J., Mwangomo E., Ngereza C., Otte I., Röder J., Rutten G., Schellenberger Costa D., Tardanico J., Zancolli G., Deckert J., Eardley C.D., Peters R.S., Rödel M.O., Schleuning M., Ssymank A., Kakengi V., Zhang J., Böhning-Gaese K., Brandl R., Kalko E.K.V., Kleyer M., Nauss T., Tschapka M., Fischer M., Steffan-Dewenter I., Peters M.K., Steffan-Dewenter I.:
Predictors of elevational biodiversity gradients change from single taxa to the multi-taxa community level
In: Nature Communications 7 (2016), Art.Nr.: 13736
ISSN: 2041-1723
DOI: 10.1038/ncomms13736
BibTeX: Download - Detsch F., Otte I., Appelhans T., Hemp A., Nauss T.:
Seasonal and long-term vegetation dynamics from 1-km GIMMS-based NDVI time series at Mt. Kilimanjaro, Tanzania
In: Remote Sensing of Environment 178 (2016), S. 70-83
ISSN: 0034-4257
DOI: 10.1016/j.rse.2016.03.007
BibTeX: Download - Appelhans T., Nauss T.:
Spatial patterns of sea surface temperature influences on East African precipitation as revealed by empirical orthogonal teleconnections
In: Frontiers in Earth Science 4 (2016), Art.Nr.: 3
ISSN: 2296-6463
DOI: 10.3389/feart.2016.00003
BibTeX: Download
2015
- Appelhans T., Detsch F., Nauss T.:
Remote: Empirical orthogonal teleconnections in R
In: Journal of Statistical Software 65 (2015), S. 1-19
ISSN: 1548-7660
DOI: 10.18637/jss.v065.i10
BibTeX: Download - Nauss T., Hemp A., Steffan-Dewenter I., Classen A., Peters M.K., Kindeketa W.J., Appelhans T., Eardley C.D., Gikungu M.W.:
Temperature versus resource constraints: Which factors determine bee diversity on Mount Kilimanjaro, Tanzania?
In: Global Ecology and Biogeography 24 (2015), S. 642-652
ISSN: 1466-822X
DOI: 10.1111/geb.12286
BibTeX: Download
2014
- Kühnlein M., Appelhans T., Thies B., Nauss T.:
Improving the accuracy of rainfall rates from optical satellite sensors with machine learning - A random forests-based approach applied to MSG SEVIRI
In: Remote Sensing of Environment 141 (2014), S. 129-143
ISSN: 0034-4257
DOI: 10.1016/j.rse.2013.10.026
BibTeX: Download - Kühnlein M., Appelhans T., Thies B., Nauß T.:
Precipitation estimates from MSG SEVIRI daytime, nighttime, and twilight data with random forests
In: Journal of Applied Meteorology and Climatology 53 (2014), S. 2457-2480
ISSN: 1558-8424
DOI: 10.1175/JAMC-D-14-0082.1
BibTeX: Download
2013
- Kühnlein M., Appelhans T., Thies B., Kokhanovsky A., Nauss T.:
An evaluation of a semi-analytical cloud property retrieval using MSG SEVIRI, MODIS and CloudSat
In: Atmospheric Research 122 (2013), S. 111-135
ISSN: 0169-8095
DOI: 10.1016/j.atmosres.2012.10.029
BibTeX: Download - Appelhans T., Sturman A., Zawar-Reza P.:
Synoptic and climatological controls of particulate matter pollution in a Southern Hemisphere coastal city
In: International Journal of Climatology 33 (2013), S. 463-479
ISSN: 0899-8418
DOI: 10.1002/joc.3439
BibTeX: Download
2010
Modelling emission trends from non-constant time series of PM10 concentrations in Christchurch, New Zealand
In: International Journal of Environment and Pollution 43 (2010), S. 354-363
ISSN: 0957-4352
DOI: 10.1504/IJEP.2010.036932
BibTeX: Download
, , :
Mesoscale controls on particulate matter pollution for a mega city in a semi-arid mountainous environment: Tehran, Iran
In: International Journal of Environment and Pollution 41 (2010), S. 166-183
ISSN: 0957-4352
DOI: 10.1504/IJEP.2010.032252
BibTeX: Download
, , , :
WS 2024/25
- Hauptseminar Physische Geographie (Bachelors): Grenzschichtklimatologie
- Advanced Methods (Masters): Advanced Climate Data Analysis
2013 – 2016 Ecological Climatology and Remote Sensing
PI Subproject 1 – part of the DFG research group FOR 1246 Kilimanjaro ecosystems under global change: Linking biodiversity, biotic interactions and biogeochemical ecosystem processes (together with Prof. Dr. Thomas Nauss from Philipps Universität Marburg)
PI Subproject 1 – part of the DFG research group FOR 1246 Kilimanjaro ecosystems under global change: Linking biodiversity, biotic interactions and biogeochemical ecosystem processes (together with Prof. Dr. Thomas Nauss from Philipps Universität Marburg)
R package development:
https://tim-salabim.r-universe.dev/builds
OpenGeoHub Scientific Committee:
https://opengeohub.org/scientific-committee/