Qichun Yang

Spatial mode-based calibration (SMoC) of forecast precipitation fields from numerical weather prediction models

Pengcheng Zhao, Quan J Wang, Wenyan Wu, Qichun Yang

Journal article  |  2022  |  JOURNAL OF HYDROLOGY

Statistical calibration of precipitation forecasts from numerical weather prediction (NWP) models is routinely performed grid-cell..

An analysis framework to evaluate irrigation decisions using short-term ensemble weather forecasts

Danlu Guo, Quan J Wang, Dongryeol Ryu, Qichun Yang, Peter Moller, Andrew W Western

Journal article  |  2022  |  IRRIGATION SCIENCE

Irrigation water is an expensive and limited resource and optimal scheduling can boost water efficiency. Scheduling decisions ofte..

Calibrating anomalies improves forecasting of daily reference crop evapotranspiration

Qichun Yang, Quan J Wang, Kirsti Hakala

Journal article  |  2022  |  JOURNAL OF HYDROLOGY

Forecasting of short-term reference crop evapotranspiration (ETo) provides valuable information for hydrological, agricultural, an..

Power transformation of variables for post-processing precipitation forecasts: Regionally versus locally optimized parameter values

Yiliang Du, Quan J Wang, Wenyan Wu, Qichun Yang

Journal article  |  2022  |  JOURNAL OF HYDROLOGY

Short-term precipitation forecasts are mainly derived from numerical weather prediction (NWP) models. Raw NWP forecasts typically ..

Reconstructing climate trends adds skills to seasonal reference crop evapotranspiration forecasting

Qichun Yang, Quan J Wang, Andrew W Western, Wenyan Wu, Yawen Shao, Kirsti Hakala

Journal article  |  2022  |  HYDROLOGY AND EARTH SYSTEM SCIENCES

Evapotranspiration plays an important role in the terrestrial water cycle. Reference crop evapotranspiration (ETo) has been widely..

Extending a joint probability modelling approach for post-processing ensemble precipitation forecasts from numerical weather prediction models

Pengcheng Zhao, Quan J Wang, Wenyan Wu, Qichun Yang

Journal article  |  2021  |  JOURNAL OF HYDROLOGY

Statistical post-processing has been widely employed to correct bias and dispersion errors in raw ensemble precipitation forecasts..

Bias-correcting input variables enhances forecasting of reference crop evapotranspiration

Qichun Yang, Quan J Wang, Kirsti Hakala, Yating Tang

Journal article  |  2021  |  HYDROLOGY AND EARTH SYSTEM SCIENCES

Reference crop evapotranspiration (ETo) is calculated using a standard formula with temperature, vapor pressure, solar radiation, ..

Achieving effective calibration of precipitation forecasts over a continental scale

Qichun Yang, Quan J Wang, Kirsti Hakala

Journal article  |  2021  |  JOURNAL OF HYDROLOGY-REGIONAL STUDIES

Study region: Australia. Study focus: We developed the Seasonally Coherent Calibration (SCC) model to post-process precipitation f..

Phosphorus Inventory for the Conterminous United States (2002–2012)

RD Sabo, CM Clark, DA Gibbs, GS Metson, MJ Todd, SD LeDuc, D Greiner, MM Fry, R Polinsky, Q Yang, H Tian, JE Compton

Journal article  |  2021  |  Journal of Geophysical Research: Biogeosciences

Published reports suggest efforts designed to prevent the occurrence of harmful algal blooms and hypoxia by reducing non-point and..

Production and application of manure nitrogen and phosphorus in the United States since 1860

Zihao Bian, Hanqin Tian, Qichun Yang, Rongting Xu, Shufen Pan, Bowen Zhang

Journal article  |  2021  |  EARTH SYSTEM SCIENCE DATA

Livestock manure nitrogen (N) and phosphorus (P) play an important role in biogeochemical cycling. Accurate estimation of manure n..