All Outputs (94)

Spatial heterogeneity in the response of winter wheat yield to meteorological dryness/wetness variations in Henan province, China (2024)
Journal Article
Li, C., Gu, Y., Xu, H., Huang, J., Liu, B., Chun, K., & Octavianti, T. (in press). Spatial heterogeneity in the response of winter wheat yield to meteorological dryness/wetness variations in Henan province, China. Agronomy,

Knowledge about regional climate-yield relationships is crucial to reducing yield losses and ensuring global food security in a changing climate. Henan province, the largest winter wheat production region in China, was selected for this study. Data o... Read More about Spatial heterogeneity in the response of winter wheat yield to meteorological dryness/wetness variations in Henan province, China.

Dynamic hydrological niche segregation: How plants compete for water in a semi-arid ecosystem (2024)
Journal Article
Zhao, Y., Wang, L., Chun, K., Ziegler, A., & Evaristo, J. (2024). Dynamic hydrological niche segregation: How plants compete for water in a semi-arid ecosystem. Journal of Hydrology, 630, Article 130677. https://doi.org/10.1016/j.jhydrol.2024.130677

Hydrological niche segregation (HNS), specifically the variation in root water uptake depth among coexisting species, is an understudied area of research. This is especially the case in semi-arid ecosystems, such as China's Loess Plateau (CLP), where... Read More about Dynamic hydrological niche segregation: How plants compete for water in a semi-arid ecosystem.

The nature and extent of bomb tritium remaining in deep vadose zone: A synthesis and prognosis (2024)
Journal Article
Huang, Y., Evaristo, J., Li, Z., Chun, K., Sutanudjaja, E. H., Cardenas, M. B., …van Genuchten, M. T. (in press). The nature and extent of bomb tritium remaining in deep vadose zone: A synthesis and prognosis. Vadose Zone Journal, https://doi.org/10.1002/vzj2.20304

Tritium present in deep vadose zones is a useful tracer for estimating groundwater recharge, but its full utility is constrained by not knowing where and for how long the tritium tracing method remains applicable. We obtained 44 tritium profiles from... Read More about The nature and extent of bomb tritium remaining in deep vadose zone: A synthesis and prognosis.

Application of multiple stable isotopes to aid identification of the origin of regional and organic animal products in Hesse, Germany (2023)
Journal Article
Gatzert, X., Chun, K. P., Hermanowski, R., Mäder, R., Breuer, L., Gattinger, A., & Orlowski, N. (2023). Application of multiple stable isotopes to aid identification of the origin of regional and organic animal products in Hesse, Germany. Isotopes in Environmental and Health Studies, 59(4-6), 490-510. https://doi.org/10.1080/10256016.2023.2273941

There is an increasing global demand for regional and organic produce. However, the growth of these markets depends on consumers’ trust. Thus, novel methods must be developed to aid the verification of the origin of produce. We built on our previous... Read More about Application of multiple stable isotopes to aid identification of the origin of regional and organic animal products in Hesse, Germany.

A meta-model of socio-hydrological phenomena for sustainable water management (2023)
Journal Article
Mijic, A., Liu, L., O’Keeffe, J., Dobson, B., & Chun, K. (2024). A meta-model of socio-hydrological phenomena for sustainable water management. Nature Sustainability, 7, 7–14. https://doi.org/10.1038/s41893-023-01240-3

Overemphasizing technological solutions in water management without considering the broader systems perspective can result in unintended consequences. For example, infrastructure interventions for drought adaptation may inadvertently increase flood r... Read More about A meta-model of socio-hydrological phenomena for sustainable water management.

A review of the performance of CHIRPS and future research directions in hydro-climatic studies (2023)
Journal Article
Du, H., Tan, M. L., Zhang, F., Chun, K., Li, L., & Humayun Kabir, M. (in press). A review of the performance of CHIRPS and future research directions in hydro-climatic studies. Theoretical and Applied Climatology,

Long-term gridded precipitation products (GPPs) are crucial for climatology and hydrological research to overcome the limitations of gauge observations. Climate Hazards Group InfraRed Precipitation with Station data (CHIRPS) provides long-term daily... Read More about A review of the performance of CHIRPS and future research directions in hydro-climatic studies.

Advancing South American water and climate science through multi-decadal convection-permitting modeling (2023)
Journal Article
Dominguez, F., Rasmussen, R., Liu, C., Ikeda, K., Prein, A., Varble, A., …Schneider, T. (2024). Advancing South American water and climate science through multi-decadal convection-permitting modeling. Bulletin of the American Meteorological Society, 105(1), E32-E44. https://doi.org/10.1175/bams-d-22-0226.1

The South America Affinity Group (SAAG) was established in early 2019 by the National Center for Atmospheric Research (NCAR) Water Systems Program as a community effort focused on improving hydroclimate science over South America. SAAG supports large... Read More about Advancing South American water and climate science through multi-decadal convection-permitting modeling.

The spatial configuration of local climate zones reveals effects on wayfinding in human walking (2023)
Journal Article
Fan, P. Y., Chun, K. P., Tan, M. L., Mah, D., Mijic, A., Strickert, G., & Yetemen, O. (2023). The spatial configuration of local climate zones reveals effects on wayfinding in human walking. PLoS ONE, 18(9), e0289780. https://doi.org/10.1371/journal.pone.0289780

The importance of easy wayfinding in complex urban settings has been recognized in spatial planning. Empirical measurement and explicit representation of wayfinding, however, have been limited in deciding spatial configurations. Our study proposed an... Read More about The spatial configuration of local climate zones reveals effects on wayfinding in human walking.

Identifying the impacts of land-use spatial patterns on street-network accessibility using geospatial methods (2023)
Journal Article
Fan, P. Y., Chun, K. P., Mijic, A., Tan, M. L., Zhai, W., & Yetemen, O. (in press). Identifying the impacts of land-use spatial patterns on street-network accessibility using geospatial methods. Geographical Analysis, https://doi.org/10.1111/gean.12374

While the land use-street network nexus is well acknowledged, evidence for the one-way impacts of land-use patterns on street accessibility is still inadequate. The measurements of land-use patterns and street accessibility lack systematic knowledge.... Read More about Identifying the impacts of land-use spatial patterns on street-network accessibility using geospatial methods.

The merit of the North Sea-Caspian pattern in explaining climate variability in the Euro-Mediterranean region (2023)
Journal Article
Çağlar, F., Yetemen, O., Chun, K. P., & Sen, O. L. (2023). The merit of the North Sea-Caspian pattern in explaining climate variability in the Euro-Mediterranean region. International Journal of Climatology, 43(10), 4648-4661. https://doi.org/10.1002/joc.8108

Teleconnection patterns are one of the key features to understanding high-frequency natural climate variability. The North Sea-Caspian Pattern (NCP) was identified as a middle tropospheric dipole and its hydroclimatological implications have been sub... Read More about The merit of the North Sea-Caspian pattern in explaining climate variability in the Euro-Mediterranean region.

Allometric relations between DBH and sapwood area for predicting stand transpiration: Lessons learned from the Quercus genus (2023)
Journal Article
Schoppach, R., Chun, K., & Klaus, J. (2023). Allometric relations between DBH and sapwood area for predicting stand transpiration: Lessons learned from the Quercus genus. European Journal of Forest Research, 142, 797–809. https://doi.org/10.1007/s10342-023-01558-9

Catchment-scale transpiration is commonly determined by the use of sap-flow sensors, and its quantification, which is critical for water and forest management, relies crucially on the total catchment’s sapwood area (As). Species-specific allometric r... Read More about Allometric relations between DBH and sapwood area for predicting stand transpiration: Lessons learned from the Quercus genus.

Importance of tree diameter and species for explaining the temporal and spatial variations of xylem water δ18O and δ2H in a multi-species forest (2023)
Journal Article
Fresne, M., Chun, K. P., Hrachowitz, M., McGuire, K. J., Schoppach, R., & Klaus, J. (2023). Importance of tree diameter and species for explaining the temporal and spatial variations of xylem water δ18O and δ2H in a multi-species forest. Ecohydrology, 16(5), Article e2545. https://doi.org/10.1002/eco.2545

Identifying the vegetation and topographic variables influencing the isotopic variability of xylem water of forest vegetation remains crucial to interpret and predict ecohydrological processes in landscapes. In this study, we used temporally and spat... Read More about Importance of tree diameter and species for explaining the temporal and spatial variations of xylem water δ18O and δ2H in a multi-species forest.

Impact of climate change and socioeconomic factors on domestic energy consumption: The case of Hong Kong and Singapore (2022)
Journal Article
Lam, C., He, Q., Cheng, K. L., Fan, P. Y., Chun, K. P., Choi, B., …Yetemen, O. (2022). Impact of climate change and socioeconomic factors on domestic energy consumption: The case of Hong Kong and Singapore. Energy Reports, 8(November 2022), 12886-12904. https://doi.org/10.1016/j.egyr.2022.09.059

Temperature and population growth are key drivers of energy consumption. However, the relative importance of climatic and socioeconomic factors driving energy consumption at different temporal scales is not well-understood. Therefore, we developed a... Read More about Impact of climate change and socioeconomic factors on domestic energy consumption: The case of Hong Kong and Singapore.

Investigating and predicting spatiotemporal variations in vegetation cover in transitional climate zone: A case study of Gansu (China) (2022)
Journal Article
He, Q., Chun, K., Dieppois, B., Chen, L., Fan, P. Y., Toker, E., …Pan, X. (2022). Investigating and predicting spatiotemporal variations in vegetation cover in transitional climate zone: A case study of Gansu (China). Theoretical and Applied Climatology, 150, 283–307. https://doi.org/10.1007/s00704-022-04140-2

Vegetation ecosystems are sensitive to large-scale climate variability in climate transition zones. As a representative transitional climate zone in Northwest China, Gansu is characterized by a sharp climate and vegetation gradient. In this study, th... Read More about Investigating and predicting spatiotemporal variations in vegetation cover in transitional climate zone: A case study of Gansu (China).

Influence of orographic precipitation on coevolving landforms and vegetation in semi-arid ecosystems (2022)
Journal Article
Srivastava, A., Yetemen, O., Saco, P., Rodriguez, J., Kumari, N., & Chun, K. (2022). Influence of orographic precipitation on coevolving landforms and vegetation in semi-arid ecosystems. Earth Surface Processes and Landforms, 47(12), https://doi.org/10.1002/esp.5427

Topography affects the intensity and spatial distribution of precipitation due to orographic lifting mechanisms and, in turn, influences the prevailing climate and vegetation distribution. Previous modelling studies on the impact of orographic precip... Read More about Influence of orographic precipitation on coevolving landforms and vegetation in semi-arid ecosystems.

Rapid extreme tropical precipitation and flood inundation mapping (flood-tropical) framework: initial testing for the 2021-2022 Malaysia flood (2022)
Journal Article
Tew, Y. L., Tan, M. L., Juneng, L., Chun, K., Hafiz bin Hassan, M., bin Osman, S., …Kabir, M. H. (2022). Rapid extreme tropical precipitation and flood inundation mapping (flood-tropical) framework: initial testing for the 2021-2022 Malaysia flood. ISPRS International Journal of Geo-Information, 11(7), 378

The 2021-2022 flood is one of the most serious flood events in Malaysian history, with approximately 70,000 victims evacuated daily, 54 killed and total losses were up to MYR 6.1 billion. From this devastating event, we realized the lack of extreme p... Read More about Rapid extreme tropical precipitation and flood inundation mapping (flood-tropical) framework: initial testing for the 2021-2022 Malaysia flood.

Impact of the North Sea–Caspian pattern on meteorological drought and vegetation response over diverging environmental systems in western Eurasia (2022)
Journal Article
He, Q., Xu, B., Dieppois, B., Yetemen, O., Lutfi Sen, O., Klaus, J., …Chun, K. (2022). Impact of the North Sea–Caspian pattern on meteorological drought and vegetation response over diverging environmental systems in western Eurasia. Ecohydrology, 15(5), e2446. https://doi.org/10.1002/eco.2446

Emerging drought stress on vegetation over western Eurasia is linked to varying teleconnection patterns. The North Sea–Caspian Pattern (NCP) is a relatively less studied Eurasian teleconnection pattern, which has a role on drought conditions and the... Read More about Impact of the North Sea–Caspian pattern on meteorological drought and vegetation response over diverging environmental systems in western Eurasia.

Integrating the Budyko framework with the emerging hot spot analysis in local land use planning for regulating surface evapotranspiration ratio (2022)
Journal Article
Pingyu, F., Chun, K. P., Mijic, A., Tan, M. L., & Yetemen, O. (2022). Integrating the Budyko framework with the emerging hot spot analysis in local land use planning for regulating surface evapotranspiration ratio. Journal of Environmental Management, 316, Article 115232. https://doi.org/10.1016/j.jenvman.2022.115232

Land use planning regulates surface hydrological processes by adjusting land properties with varied evapotranspiration ratios. However, a dearth of empirical spatial information hampers the regulation of place-specific hydrological processes. Therefo... Read More about Integrating the Budyko framework with the emerging hot spot analysis in local land use planning for regulating surface evapotranspiration ratio.

Efficient Shapelet Discovery for Time Series Classification (2022)
Journal Article
Li, G., Choi, B., Xu, J., Bhowmick, S. S., Chun, K. P., & Wong, G. L. H. (2022). Efficient Shapelet Discovery for Time Series Classification. IEEE Transactions on Knowledge and Data Engineering, 34(3), 1149-1163. https://doi.org/10.1109/TKDE.2020.2995870

Time-series shapelets are discriminative subsequences, recently found effective for time series classification (tsc). It is evident that the quality of shapelets is crucial to the accuracy of tsc. However, major research has focused on building accur... Read More about Efficient Shapelet Discovery for Time Series Classification.

Community voices: The importance of diverse networks in academic mentoring (2022)
Journal Article
Deanna, R., Merkle, B., Chun, K. P., Navarro-Rosenblatt, D., Baxter, I., Oleas, N., …Auge, G. (2022). Community voices: The importance of diverse networks in academic mentoring. Nature Communications, 13(1), Article 1681. https://doi.org/10.1038/s41467-022-28667-0

Mentor relationships are crucial to retention, success, and wellbeing of women and underrepresented minority scientists in academia. A network of diverse mentors may support achieving long-term career goals, advancement, and retention of both mentors... Read More about Community voices: The importance of diverse networks in academic mentoring.