H
Huajin Chen
Researcher at University of California, Davis
Publications - 16
Citations - 394
Huajin Chen is an academic researcher from University of California, Davis. The author has contributed to research in topics: San Joaquin & Surface runoff. The author has an hindex of 7, co-authored 13 publications receiving 293 citations.
Papers
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Journal ArticleDOI
Spatiotemporal prediction of continuous daily PM2.5 concentrations across China using a spatially explicit machine learning algorithm
Yu Zhan,Yuzhou Luo,Xunfei Deng,Huajin Chen,Michael L. Grieneisen,Xueyou Shen,Lizhong Zhu,Minghua Zhang +7 more
TL;DR: In this article, a novel machine learning algorithm, Geographically-Weighted Gradient Boosting Machine (GW-GBM), was developed by improving GBM through building spatial smoothing kernels to weigh the loss function.
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Modeling pesticide diuron loading from the San Joaquin watershed into the Sacramento-San Joaquin Delta using SWAT.
Huajin Chen,Yuzhou Luo,Christopher Potter,Patrick J. Moran,Michael L. Grieneisen,Minghua Zhang,Minghua Zhang +6 more
TL;DR: This study not only provides valuable information for the development of biological weed control plan in the Delta, but also serves as a foundation for the continued research on calibration, evaluation, and uncertainty analysis of spatially distributed, physically based hydrologic models.
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Response of discharge, TSS, and E. coli to rainfall events in urban, suburban, and rural watersheds
Huajin Chen,Heejun Chang +1 more
TL;DR: The study not only provides more detailed and accurate characterization of the storm-period response of E. coli across an urban and rural gradient, but also lays a foundation for predicting the concentration of E coli in practice, potentially suggesting effective watershed management decisions.
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Predicting pesticide removal efficacy of vegetated filter strips: A meta-regression analysis.
TL;DR: In this article, a meta-regression model was developed to predict VFS pesticide retention efficiency based on hydrologic responses of VFS's, incoming pollutant characteristics and the interaction within and between these two factor groups (R(2)=0.83).
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Spatial interpolation of river channel topography using the shortest temporal distance
TL;DR: In this paper, two distance metrics defined as the time taken by water flow to travel between two locations are developed, and replace the spatial distance metric or Euclidean distance that is currently used to interpolate topography.