Recent developments in fast and scalable inverse modeling and data assimilation methods in hydrology

H Ghorbanidehno, A Kokkinaki, J Lee, E Darve - Journal of Hydrology, 2020 - Elsevier
The last twenty years have brought significant advances in hydrology and hydrogeology,
especially in the area of data availability and predictive modeling capabilities. Remote …

Review of the Kalman-type hydrological data assimilation

L Sun, O Seidou, I Nistor, K Liu - Hydrological Sciences Journal, 2016 - Taylor & Francis
There is great potential in Data Assimilation (DA) for the purposes of uncertainty
identification, reduction and real-time correction of hydrological models. This paper reviews …

Examining the effectiveness and robustness of sequential data assimilation methods for quantification of uncertainty in hydrologic forecasting

CM DeChant, H Moradkhani - Water Resources Research, 2012 - Wiley Online Library
In hydrologic modeling, state‐parameter estimation using data assimilation techniques is
increasing in popularity. Several studies, using both the ensemble Kalman filter (EnKF) and …

Sequential data assimilation for streamflow forecasting: assessing the sensitivity to uncertainties and updated variables of a conceptual hydrological model at basin …

G Piazzi, G Thirel, C Perrin… - Water Resources …, 2021 - Wiley Online Library
Skillful streamflow forecasts provide key support to several water‐related applications.
Because of the critical impact of initial conditions (ICs) on forecast accuracy, ever‐growing …

Ensemble Kalman methods with constraints

DJ Albers, PA Blancquart, ME Levine… - Inverse …, 2019 - iopscience.iop.org
Ensemble Kalman methods constitute an increasingly important tool in both state and
parameter estimation problems. Their popularity stems from the derivative-free nature of the …

Data‐driven model uncertainty estimation in hydrologic data assimilation

S Pathiraja, H Moradkhani, L Marshall… - Water resources …, 2018 - Wiley Online Library
The increasing availability of earth observations necessitates mathematical methods to
optimally combine such data with hydrologic models. Several algorithms exist for such …

Identifying time-varying hydrological model parameters to improve simulation efficiency by the ensemble Kalman filter: A joint assimilation of streamflow and actual …

M Xiong, P Liu, L Cheng, C Deng, Z Gui, X Zhang… - Journal of …, 2019 - Elsevier
Hydrological model parameters are essential for model simulation, which may vary with time
owing to climatic variations and human activities. As a result, the implementation of …

Regularized ensemble Kalman methods for inverse problems

XL Zhang, C Michelén-Ströfer, H Xiao - Journal of Computational Physics, 2020 - Elsevier
Inverse problems are common and important in many applications in computational physics
but are inherently ill-posed with many possible model parameters resulting in satisfactory …

Modeling and state estimation for dynamic systems with linear equality constraints

L Xu, XR Li, Z Duan, J Lan - IEEE Transactions on Signal …, 2013 - ieeexplore.ieee.org
The problem of modeling and estimation for linear equality constrained (LEC) systems is
considered. The exact constrained dynamic model usually is not readily available or is too …

Simultaneous state and parameter estimation: the role of sensitivity analysis

J Liu, A Gnanasekar, Y Zhang, S Bo, J Liu… - Industrial & …, 2021 - ACS Publications
State and parameter estimation is essential for process monitoring and control. Observability
plays an important role in both state and parameter estimation. In simultaneous state and …