Skip to main content

Research Repository

Advanced Search

All Outputs (117)

Applicability of the North Sea Caspian pattern as an indicator of the Euro-Mediterranean climate variability (2021)
Presentation / Conference
Çağlar, F., Yetemen, O., Pan Chun, K., & Lutfi Sen, O. (2021, April). Applicability of the North Sea Caspian pattern as an indicator of the Euro-Mediterranean climate variability. Paper presented at EGU, Vienna

Climate variability related to trough locations in the Euro-Mediterranean region is determined by various semi-permanent pressure centers of teleconnections and synoptic features. These features are resulted from the interactions between mesoscale an... Read More about Applicability of the North Sea Caspian pattern as an indicator of the Euro-Mediterranean climate variability.

Drought variability driven by interannual and decadal teleconnection patterns in monsoon regions of Southeast China (2021)
Presentation / Conference
Pan Chun, K., He, Q., Dieppois, B., Pohl, B., Yetemen, Ö., Chen, L., …Massei, N. (2021, April). Drought variability driven by interannual and decadal teleconnection patterns in monsoon regions of Southeast China. Paper presented at EGU, Vienna

Drought conditions of Southeast China are associated with the sea surface temperature warm pool in the tropical Western Pacific, which is related to low-frequency hydroclimatic patterns and their teleconnections. Empirically, the moisture influx to t... Read More about Drought variability driven by interannual and decadal teleconnection patterns in monsoon regions of Southeast China.

Impacts of climate and land use changes on water variability, using a Budyko framework: case study in Gansu, China (2021)
Presentation / Conference
He, Q., Pan Chun, K., Yetemen, O., Dieppois, B., Chen, L., & Pan, X. (2021, April). Impacts of climate and land use changes on water variability, using a Budyko framework: case study in Gansu, China

Disentangling the effects of climate and land use changes on regional hydrological conditions is critical for local water and food security. The water variability over climate transition regions at the midlatitudes is sensitive to changes in regional... Read More about Impacts of climate and land use changes on water variability, using a Budyko framework: case study in Gansu, China.

The nature and extent of bomb tritium remaining in deep soils (2021)
Presentation / Conference
Evaristo, J., Huang, Y., Li, Z., Chun, K. P., Sutanudjaja, E. H., & Bierkens, M. F. (2021, April). The nature and extent of bomb tritium remaining in deep soils. Paper presented at EGU, Vienna

Understanding the movement of water in soils is important for estimating subsurface water reserves. Despite the advances made in understanding water movement, very few tools can directly "follow the water". Tritium, a tracer that decays with time and... Read More about The nature and extent of bomb tritium remaining in deep soils.

Land use and cover changes related to green and blue infrastructure planning for water resources management based on a Budyko framework (2021)
Presentation / Conference
Fan, P. Y., Pan Chun, K., Mijic, A., Tan, M. L., Yetemen, O., & Evaristo, J. (2021, April). Land use and cover changes related to green and blue infrastructure planning for water resources management based on a Budyko framework. Paper presented at EGU, Vienna

Based on the interplays between land use and water resources, the green and blue infrastructure (GBI) is a central landscape approach for hydrological environment management. However, evidence-based principles of regional GBI planning are not well de... Read More about Land use and cover changes related to green and blue infrastructure planning for water resources management based on a Budyko framework.

How reliable are crowd-sourced data in hydrology? Lessons learned from a citizen science experiment (2021)
Presentation / Conference
Klaus, J., Hannah, D., & Pan Chun, K. (2021, April). How reliable are crowd-sourced data in hydrology? Lessons learned from a citizen science experiment. Paper presented at EGU, Vienna

Crowd-sourcing of hydrological data with volunteering citizen scientists has the potential to overcome severe data limitations in space and time. However, several aspects on the reliability, quality, and value of crowd-sourced data are under debate.... Read More about How reliable are crowd-sourced data in hydrology? Lessons learned from a citizen science experiment.

A novel and robust procedure for upscaling sap velocity data based on the species-specific role of DBH and slope for explaining tree-to-tree variability (2021)
Presentation / Conference
Schoppach, R., Pan Chun, K., He, Q., Ginevra, F., & Klaus, J. (2021, April). A novel and robust procedure for upscaling sap velocity data based on the species-specific role of DBH and slope for explaining tree-to-tree variability. Paper presented at EGU, Vienna

Multi-species forests display a substantial tree-to-tree variability in transpiration induced by various vegetation and landscape characteristics. However, how to model transpiration accounting for tree-to-tree variability still needs to be developed... Read More about A novel and robust procedure for upscaling sap velocity data based on the species-specific role of DBH and slope for explaining tree-to-tree variability.

Detecting drought conditions related to vegetation at west continental Europe based on variations from the North and Caspian Seas (2021)
Presentation / Conference
Xu, B., He, Q., Pan Chun, K., Klaus, J., Schoppach, R., & Yetemen, Ö. (2021, April). Detecting drought conditions related to vegetation at west continental Europe based on variations from the North and Caspian Seas. Paper presented at EGU, Vienna

Teleconnections relate regional pressure patterns to local climate anomalies, influencing the variation of vegetation patterns. Over west continental Europe, droughts have been widely investigated with persistent low-frequency atmospheric circulation... Read More about Detecting drought conditions related to vegetation at west continental Europe based on variations from the North and Caspian Seas.

Assessment of multiple stable isotopes for tracking regional and organic authenticity of plant products in Hesse, Germany (2021)
Journal Article
Gatzert, X., Chun, K. P., Boner, M., Hermanowski, R., Mäder, R., Breuer, L., …Orlowski, N. (2021). Assessment of multiple stable isotopes for tracking regional and organic authenticity of plant products in Hesse, Germany. Isotopes in Environmental and Health Studies, 57(3), 281-300. https://doi.org/10.1080/10256016.2021.1905635

As demand for regional and organically produced foodstuff has increased in Europe, the need has arisen to verify the products’ origin and production method. For food authenticity tracking (production method and origin), we examined 286 samples of whe... Read More about Assessment of multiple stable isotopes for tracking regional and organic authenticity of plant products in Hesse, Germany.

Robust decadal variations in ENSO diversity, and its impact on future scenarios (2021)
Working Paper
Dieppois, B., Capotondi, A., Pohl, B., Pan Chun, K., Eden, J., & MOnerie, P. Robust decadal variations in ENSO diversity, and its impact on future scenarios

El Niño-Southern Oscillation (ENSO) shows a large diversity of events, whose modulation by climate variability and change, and their representation in climate models, limit our ability to predict their impact on ecosystems and human livelihood. Here,... Read More about Robust decadal variations in ENSO diversity, and its impact on future scenarios.

Hydro-climatic changes of wetlandscapes across the world (2021)
Journal Article
Åhlén, I., Vigouroux, G., Destouni, G., Pietroń, J., Ghajarnia, N., Anaya, J., …Jarsjö, J. (2021). Hydro-climatic changes of wetlandscapes across the world. Scientific Reports, 11(1), 13400. https://doi.org/10.1038/s41598-021-81137-3

Assessments of ecosystem service and function losses of wetlandscapes (i.e., wetlands and their hydrological catchments) suffer from knowledge gaps regarding impacts of ongoing hydro-climatic change. This study investigates hydro-climatic changes dur... Read More about Hydro-climatic changes of wetlandscapes across the world.

On the laboratory calibration of dielectric permittivity models for agricultural soils: Effect of systematic porosity variation (2021)
Journal Article
Pan, X., Han, Y., Chun, K. P., Zhang, J., Ma, D., & Gao, H. (2021). On the laboratory calibration of dielectric permittivity models for agricultural soils: Effect of systematic porosity variation. Vadose Zone Journal, 20(1), Article e20096. https://doi.org/10.1002/vzj2.20096

Dielectric techniques are fundamental methods for measuring soil water content, and they commonly rely on the conventional laboratory calibration of the dielectric permittivity models between a dielectric constant and water content. As a non-negligib... Read More about On the laboratory calibration of dielectric permittivity models for agricultural soils: Effect of systematic porosity variation.

The role of landscape morphology on soil moisture variability in semi-arid ecosystems (2020)
Journal Article
Srivastava, A., Saco, P. M., Rodriguez, J. F., Kumari, N., Chun, K. P., & Yetemen, O. (2020). The role of landscape morphology on soil moisture variability in semi-arid ecosystems. Hydrological Processes, 35(1), https://doi.org/10.1002/hyp.13990

Previous studies on semi-arid ecosystems have shown high values of soil moisture variability (SMV) primarily induced by the combined effects of non-uniform precipitation, incoming solar radiation, and soil and vegetation properties. However, the rela... Read More about The role of landscape morphology on soil moisture variability in semi-arid ecosystems.

Large spatial variations in diffusive CH₄ fluxes from a subtropical coastal reservoir affected by sewage discharge in Southeast China (2020)
Journal Article
Yang, P., Yang, H., Sardans, J., Tong, C., Zhao, G., Peñuelas, J., …Lai, . D. Y. F. (2020). Large spatial variations in diffusive CH₄ fluxes from a subtropical coastal reservoir affected by sewage discharge in Southeast China. Environmental Science and Technology,

Coastal reservoirs are potentially CH4 emission hotspots owing to their biogeochemical role as the sinks of anthropogenic carbon and nutrients. Yet, the fine-scale spatial variations in CH4 concentrations and fluxes in coastal reservoirs remain poorl... Read More about Large spatial variations in diffusive CH₄ fluxes from a subtropical coastal reservoir affected by sewage discharge in Southeast China.

Visualet: Visualizing shapelets for time series classification (2020)
Conference Proceeding
Li, G., Choi, B., Bhowmick, S. S., Wong, G. L., Chun, K. P., & Li, S. (2020). Visualet: Visualizing shapelets for time series classification. In Proceedings of the 29th ACM International Conference on Information \& Knowledge Management (3429-3432). https://doi.org/10.1145/3340531.3417414

Time series classification (TSC) has attracted considerable attention from both academia and industry. TSC methods that are based on shapelets (intuitively, small highly-discriminative subsequences have been found effective and are particularly known... Read More about Visualet: Visualizing shapelets for time series classification.

Data for wetlandscapes and their changes around the world (2020)
Journal Article
Ghajarnia, N., Destouni, G., Thorslund, J., Kalantari, Z., Åhlén, I., Anaya-Acevedo, J. A., …Zamora, D. (2020). Data for wetlandscapes and their changes around the world. Earth System Science Data, 12(2), 1083-1100. https://doi.org/10.5194/essd-12-1083-2020

Geography and associated hydrological, hydroclimate and land-use conditions and their changes determine the states and dynamics of wetlands and their ecosystem services. The influences of these controls are not limited to just the local scale of each... Read More about Data for wetlandscapes and their changes around the world.

Spatiotemporal vegetation variations and projections driven by atmosphere-ocean oscillations at multiple time scales: A case study in Gansu, China (2020)
Presentation / Conference
He, Q., Pan Chun, K., Pan, X., Chen, L., & Fan, P. (2020, May). Spatiotemporal vegetation variations and projections driven by atmosphere-ocean oscillations at multiple time scales: A case study in Gansu, China. Paper presented at EGU, Vienna

Vegetation is an integrated regional indicator of environmental changes related to soil, water and climate. For investigating climate change impacts on ecosystems, the transition zones of vegetations are natural hotspots of historical variations. As... Read More about Spatiotemporal vegetation variations and projections driven by atmosphere-ocean oscillations at multiple time scales: A case study in Gansu, China.

Analysing and projecting spatial drought conditions of the Seine catchment based on ocean-atmosphere oscillations over interannual and decadal scales (2020)
Presentation / Conference
Pan Chun, K., He, Q., Dieppois, B., Massei, N., & Fournier, M. (2020, May). Analysing and projecting spatial drought conditions of the Seine catchment based on ocean-atmosphere oscillations over interannual and decadal scales. Paper presented at EGU, Vienna

Midlatitude droughts are affected by the tropical disturbances, which are linked to sea-surface temperature patterns in the Pacific and Atlantic Oceans. The combined effects of these two ocean basins manifest themselves in the variation of streamflow... Read More about Analysing and projecting spatial drought conditions of the Seine catchment based on ocean-atmosphere oscillations over interannual and decadal scales.

Under-measured daily maximum precipitation from manual gauge observations over the northern regions (2020)
Journal Article
Pan, X., Yang, D., Chun, K. P., Zhang, J., & You, Y. (2020). Under-measured daily maximum precipitation from manual gauge observations over the northern regions. Science of the Total Environment, 715, Article 136970. https://doi.org/10.1016/j.scitotenv.2020.136970

Extreme precipitation is a major issue for regional climate, hydrology, and safety of society. Our knowledge of extreme precipitation is poor because of difficulties in gauge observations and biases in regional and global datasets, in particular over... Read More about Under-measured daily maximum precipitation from manual gauge observations over the northern regions.