Improving radar rainfall estimation by merging point rainfall measurements within a model combination framework

MM Hasan, A Sharma, G Mariethoz, F Johnson… - Advances in Water …, 2016 - Elsevier
While the value of correcting raw radar rainfall estimates using simultaneous ground rainfall
observations is well known, approaches that use the complete record of both gauge and …

[HTML][HTML] Citizen rain gauges improve hourly radar rainfall bias correction using a two-step Kalman filter

PP Mapiam, M Methaprayun, T Bogaard… - Hydrology and Earth …, 2022 - hess.copernicus.org
The low density of conventional rain gauge networks is often a limiting factor for radar
rainfall bias correction. Citizen rain gauges offer a promising opportunity to collect rainfall …

Application of Radar-Based Precipitation Data Improves the Effectiveness of Urban Inundation Forecasting

DQ Tri, NV Thu, BTK Hoa, HA Nguyen-Thi, VV Hoa… - Sustainability, 2024 - mdpi.com
Using radar to estimate and forecast precipitation as input for hydrological models has
become increasingly popular in recent years because of its superior spatial and temporal …

Correcting bias in radar Z–R relationships due to uncertainty in point rain gauge networks

MM Hasan, A Sharma, F Johnson, G Mariethoz… - Journal of …, 2014 - Elsevier
One of the key challenges in hydrology is to accurately measure and predict the spatial and
temporal distribution of rainfall. Rain gauges measuring at point locations are often …

Calibration of the reflectivity-rainfall rate (ZR) relationship using long-term radar reflectivity factor over the entire South Korea region in a Bayesian perspective

TJ Kim, HH Kwon, KB Kim - Journal of Hydrology, 2021 - Elsevier
A fixed ZR relationship approach, such as the Marshall-Palmer relationship, for an entire
year and for different seasons can be problematic in cases where the relationship varies …

An evaluation of numerical weather prediction based rainfall forecasts

M Shahrban, JP Walker, QJ Wang, A Seed… - Hydrological Sciences …, 2016 - Taylor & Francis
Assessment of forecast precipitation is required before it can be used as input to
hydrological models. Using radar observations in southeastern Australia, forecast rainfall …

A review of uncertainty sources on weather ground-based radar for rainfall estimation

A Nikahd, M Hashim… - Applied mechanics and …, 2016 - Trans Tech Publ
Efforts in hydrometeorology are concentrated on finding the causes of the ground based
radar uncertainty sources for rainfall estimation recently. The error sources are interactions …

[HTML][HTML] Private sensors and crowdsourced rainfall data: Accuracy and potential for modelling pluvial flooding in urban areas of Oslo, Norway

KK Kyaw, E Baietti, C Lussana, V Luzzi, P Mazzoli… - Journal of Hydrology …, 2024 - Elsevier
Cloudbursts and extreme rainstorms pose a growing threat to urban areas. Accurate rainfall
data is essential for predicting inundations and urban flooding. Private weather stations are …

Defining the Z–R Relationship Using Gauge Rainfall with Coarse Temporal Resolution: Implications for Flood Forecasting

PP Mapiam, A Sharma… - Journal of Hydrologic …, 2014 - ascelibrary.org
This paper demonstrates a procedure for deriving the Z–R relationship using poor temporal
resolution gauge rainfall data and evaluates its impact on runoff forecasting in the upper …

Downscaling the ZR relationship and bias correction solution for flash flood assessment in a data-scarce basin, Thailand

PP Mapiam, S Sakulnurak, M Methaprayun… - Water Science & …, 2023 - iwaponline.com
Weather radar is a form of alternative indirect rainfall measurement for use in mitigating flash
flood hazards. It is a challenging task to obtain accurate radar rainfall data without …