All Outputs (86)

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.

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.

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.

A framework to evaluate the accessibility, visibility, and intelligibility of green-blue spaces (GBSs) related to pedestrian movement (2022)
Journal Article
Fan, P. Y., Chun, K., Mijic, A., Tan, M., & Yetemen, O. (2022). A framework to evaluate the accessibility, visibility, and intelligibility of green-blue spaces (GBSs) related to pedestrian movement. Urban Forestry and Urban Greening, 69, Article 127494. https://doi.org/10.1016/j.ufug.2022.127494

The planning of green-blue spaces (GBSs) requires considering the pedestrian needs in their walking routes for improving the walking experience. Incorporating the quantitative spatial characteristics of pedestrian movement is essential for pedestrian... Read More about A framework to evaluate the accessibility, visibility, and intelligibility of green-blue spaces (GBSs) related to pedestrian movement.

Analysis of the relationship between climate change and land use change using the ESA CCI land cover maps in Sungai Kelantan Basin, Malaysia (2022)
Journal Article
Tew, Y. L., Tan, M. L., Chun, K. P., Samat, N., & Mahamud, M. A. (2022). Analysis of the relationship between climate change and land use change using the ESA CCI land cover maps in Sungai Kelantan Basin, Malaysia. Sains Malaysiana, 51(2), 437-449. https://doi.org/10.17576/jsm-2022-5102-09

Climate and land use land cover (LULC) are two major key drives that affect the hydrological cycle pattern within a river basin. This study aims to evaluate the capability of the European Space Agency Climate Change Initiative land cover (ESA CCI LC)... Read More about Analysis of the relationship between climate change and land use change using the ESA CCI land cover maps in Sungai Kelantan Basin, Malaysia.

Spatially-heterogeneous impacts of surface characteristics on urban thermal environment, a case of the Guangdong-Hong Kong-Macau Greater Bay Area (2021)
Journal Article
Fan, P. Y., Chun, K. P., Mijic, A., Mah, D. N., He, Q., Choi, B., …Yetemen, O. (2022). Spatially-heterogeneous impacts of surface characteristics on urban thermal environment, a case of the Guangdong-Hong Kong-Macau Greater Bay Area. Urban Climate, 41, Article 101034. https://doi.org/10.1016/j.uclim.2021.101034

One-size-fits-all approach is common in climate-sensitive urban design due to neglecting spatial heterogeneities in urban form and urban climate. This study explores a spatially-varied climate-sensitive urban design based on the Guangdong-Hong Kong-M... Read More about Spatially-heterogeneous impacts of surface characteristics on urban thermal environment, a case of the Guangdong-Hong Kong-Macau Greater Bay Area.

ENSO diversity shows robust decadal variations that must be captured for accurate future projections (2021)
Journal Article
Dieppois, B., Capotondi, A., Pohl, B., Chun, K. P., Monerie, P. A., & Eden, J. (2021). ENSO diversity shows robust decadal variations that must be captured for accurate future projections. Communications Earth & Environment, 2(1), Article 212. https://doi.org/10.1038/s43247-021-00285-6

El Niño-Southern Oscillation (ENSO) shows a large diversity of events that is modulated by climate variability and change. The representation of this diversity in climate models limits our ability to predict their impact on ecosystems and human livel... Read More about ENSO diversity shows robust decadal variations that must be captured for accurate future projections.

Drought variability and characteristics in the Muda river basin of Malaysia from 1985 to 2019 (2021)
Journal Article
Luhaim, Z. B., Tan, M. L., Tangang, F., Zulkafli, Z., Chun, K. P., Yusop, Z., & Yaseen, Z. M. (2021). Drought variability and characteristics in the Muda river basin of Malaysia from 1985 to 2019. Atmosphere, 12(9), Article 1210. https://doi.org/10.3390/atmos12091210

This study aimed to analyze the spatiotemporal changes of historical droughts over the Muda River basin (MRB), Malaysia, from 1985 to 2019 using the Standardized Precipitation Index (SPI) and the Standardized Streamflow Index (SSI). The Mann–Kendall... Read More about Drought variability and characteristics in the Muda river basin of Malaysia from 1985 to 2019.

Tropical drought patterns and their linkages to large-scale climate variability over Peninsular Malaysia (2021)
Journal Article
He, Q., Chun, K. P., Tan, M. L., Dieppois, B., Juneng, L., Klaus, J., …Yetemen, O. (2021). Tropical drought patterns and their linkages to large-scale climate variability over Peninsular Malaysia. Hydrological Processes, 35(9), Article e14356. https://doi.org/10.1002/hyp.14356

Ocean–atmosphere modes of climate variability in the Pacific and Indian oceans, as well as monsoons, regulate the regional wet and dry episodes in tropical regions. However, how those modes of climate variability, and their interactions, lead to spat... Read More about Tropical drought patterns and their linkages to large-scale climate variability over Peninsular Malaysia.

Species-specific control of DBH and landscape characteristics on tree-to-tree variability of sap velocity (2021)
Journal Article
Schoppach, R., Chun, K. P., He, Q., Fabiani, G., & Klaus, J. (2021). Species-specific control of DBH and landscape characteristics on tree-to-tree variability of sap velocity. Agricultural and Forest Meteorology, 307, Article 108533. https://doi.org/10.1016/j.agrformet.2021.108533

The substantial tree-to-tree variability of transpiration poses a major challenge to a reliable stand-scale quantification of transpiration. The diameter at breast height (DBH) and landscape characteristics have been identified as drivers of tree-to-... Read More about Species-specific control of DBH and landscape characteristics on tree-to-tree variability of sap velocity.