Explanipedia

HYDROLOGICAL DROUGHT – Processes and Estimation Methods for Streamflow and Groundwater Open

Lena M. Tallaksen, H.A.J. van Lanen, Jamie Hannaford, Hege Hisdal, Daniel G. Kingston , et al. · 2024

Drought is a worldwide phenomenon that originates from a prolonged deficiency in precipitation, often combined with high evaporation, over an extended region. The resultant meteorological water balance deficiency may cause a hydrological d…

THREE‐DIMENSIONAL CLUSTERING IN THE CHARACTERIZATION OF SPATIOTEMPORAL DROUGHT DYNAMICS: CLUSTER SIZE FILTER AND DROUGHT INDICATOR THRESHOLD OPTIMIZATION Open

Vitali Diaz, Gerald A. Corzo Perez, H.A.J. van Lanen, Dimitri Solomatine · 2023

In its three-dimensional (3-D) characterization, drought is an event whose spatial extent changes over time. Each drought event has an onset and end time, a location, a magnitude, and a spatial trajectory. These characteristics help to ana…

Glossary Open

Lena M. Tallaksen, H.A.J. van Lanen · 2023

Characteristics: Developed to identify drought in the early stages using a uniform method specific to the climate of the region.It is the net effect of evapotranspiration and precipitation in producing a moisture deficiency in the upper la…

Comment on hess-2022-252 Open

Vitali Diaz, Ahmed A. A. Osman, Gerald Corzo, H.A.J. van Lanen, Shreedhar Maskey , et al. · 2023

Abstract. Climate change has increased the possibility of more severe and prolonged droughts worldwide, which requires innovative methods to predict their impacts on different sectors such as agriculture. Crop growth model…

Comment on hess-2022-252 Open

Vitali Diaz, Ahmed A. A. Osman, Gerald Corzo, H.A.J. van Lanen, Shreedhar Maskey , et al. · 2023

Abstract. Climate change has increased the possibility of more severe and prolonged droughts worldwide, which requires innovative methods to predict their impacts on different sectors such as agriculture. Crop growth model…

Hydrological drought – processes and estimation methods for streamflow and groundwater Open

Lena M. Tallaksen, H.A.J. van Lanen · 2023

Drought is a worldwide phenomenon that originates from a prolonged deficiency in precipitation, often combined with high evaporation, over an extended region. The resultant meteorological water balance deficiency may cause a hydrological d…

Comment on hess-2022-252 Open

Vitali Diaz, Ahmed A. A. Osman, Gerald Corzo, H.A.J. van Lanen, Shreedhar Maskey , et al. · 2023

Climate change has increased the possibility of more severe and prolonged droughts worldwide, which requires innovative methods to predict their impacts on different sectors such as agriculture. Crop growth models calculate yield and varia…

Spatiotemporal changes of drought area as input for a machine-learning approach for crop yield prediction Open

Vitali Diaz, Ahmed A. A. Osman, Gerald Corzo, H.A.J. van Lanen, Shreedhar Maskey , et al. · 2022

Climate change has increased the possibility of more severe and prolonged droughts worldwide, which requires innovative methods to predict their impacts on different sectors such as agriculture. Crop growth models calculate yield and varia…

Catchment memory explains hydrological drought forecast performance Open

Samuel Jonson Sutanto, H.A.J. van Lanen · 2022

Skillful Drought Early Warning Systems (DEWSs) to predict drought a few months in advance are of utmost importance to reduce the impacts of the drought hazard. Previous studies on meteorological drought forecasts e.g. using the st…

Streamflow droughts aggravated by human activities despite management Open

Anne F. Van Loon, Sally Rangecroft, Gemma Coxon, Micha Werner, Niko Wanders , et al. · 2022

Human activities both aggravate and alleviate streamflow drought. Here we show that aggravation is dominant in contrasting cases around the world analysed with a consistent methodology. Our 28 cases included different combinations of human…

Catchment memory explains hydrological drought forecast performance Open

Samuel Jonson Sutanto, H.A.J. van Lanen · 2022

Comment on hess-2021-600 Open

Vitali Diaz, Ahmed A. A. Osman, Gerald A. Corzo Perez, H.A.J. van Lanen, Shreedhar Maskey , et al. · 2022

Abstract. Crop yield is one of the variables used to assess the impact of droughts on agriculture. Crop growth models calculate yield and variables related to plant development and become more suitable for crop yield estim…

Machine-learning approach to crop yield prediction with the spatial extent of drought Open

Vitali Diaz, Ahmed A. A. Osman, Gerald Corzo, H.A.J. van Lanen, Shreedhar Maskey , et al. · 2021

Crop yield is one of the variables used to assess the impact of droughts on agriculture. Crop growth models calculate yield and variables related to plant development and become more suitable for crop yield estimation. However, these model…

Three-dimensional clustering in the characterization of spatiotemporal drought dynamics: cluster size filter and drought indicator threshold optimization Open

Vitali Diaz, Gerald Corzo, H.A.J. van Lanen, Dimitri Solomatine · 2021

Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at AGU Books. ESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary.Learn more about preprints …

The UNESCO FRIEND-Water program: accelerates, shares and transfers knowledge and innovation in hydrology across the world in the frame of the Intergovernmental Hydrological Program (IHP) Open

Gil Mahé, Gamal Abdo, Ernest Amoussou, Yao Télesphore Brou, Stephan Dietrich , et al. · 2021

The FRIEND-Water program (FWP) is the oldest and the most transverse program (i.e. Flagship Initiative) within the Hydrological Intergovernmental Program (IHP) from UNESCO. FRIEND means “Flow Regimes from International and Experimental Net…

Three-dimensional clustering in the characterization of spatiotemporal drought dynamics: cluster size filter and drought indicator threshold optimization Open

Vitali Diaz, Gerald Corzo, H.A.J. van Lanen, Dimitri Solomatine · 2021

Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at AGU Books. ESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary.Learn more about preprints …

Streamflow drought: implication of drought definitions and its application for drought forecasting Open

Samuel Jonson Sutanto, H.A.J. van Lanen · 2021

Streamflow drought forecasting is a key element of contemporary drought early warning systems (DEWS). The term streamflow drought forecasting (not streamflow forecasting), however, has created confusion within the scientific hydrometeorolo…

Application of multi drought definitions to forecast streamflow drought across Europe Open

Samuel Jonson Sutanto, H.A.J. van Lanen · 2021

Streamflow drought forecasting is a key element of contemporary Drought Early Warning Systems (DEWS). The term streamflow drought forecasting, rather than streamflow forecasting, however, has created confusion within the scientifi…

Implication of multi drought definitions to identify streamflow drought across Europe Open

H.A.J. van Lanen, Samuel Jonson Sutanto · 2021

Several approaches to identify hydrological drought exist, which result in differences in drought frequency, timing, duration, and deficit volume (drought characteristics) using the same hydrometeorological data as input. This has…

Streamflow drought: implication of drought definitions and its application for drought forecasting Open

Samuel Jonson Sutanto, H.A.J. van Lanen · 2020

Streamflow drought forecasting is a key element of contemporary Drought Early Warning Systems (DEWS). The term streamflow drought forecasting, rather than streamflow forecasting, however, has created confusion within the scientific hydro-m…

Hydrological Drought Characteristics Based on Groundwater and Runoff Across Europe Open

Samuel Jonson Sutanto, H.A.J. van Lanen · 2020

Hydrological drought often gets less attention compared to meteorological drought. For water resources managers, information on hydrological drought characteristics is prerequisite for adequate drought planning and management. Therefore, t…

Preface: Hydrological processes and water security in a changing world Open

Zhongbo Yu, Chunhui Lu, Cai Jian-yuan, Dazheng Yu, Gil Mahé , et al. · 2020

International audience

Skill of large-scale seasonal drought impact forecasts Open

Samuel Jonson Sutanto, Melati van der Weert, Veit Blauhut, H.A.J. van Lanen · 2020

Forecasting of drought impacts is still lacking in drought early-warning systems (DEWSs), which presently do not go beyond hazard forecasting. Therefore, we developed drought impact functions using machine learning approaches (logistic reg…

Early Warnings for Drought in Europe: A Multihazard System Open

Samuel Jonson Sutanto, H.A.J. van Lanen, Fredrik Wetterhall, Xavier Llort · 2020

o meet the targets of the United Nations Sendai Framework for Disaster Risk Reduction 2015-30, multihazard early warning systems (EWS) are needed.The weather-induced EWS that have been developed, however, are mostly designed to predict hig…

Human-induced changes in Indonesian peatlands increase drought severity Open

Muh Taufik, Budiman Minasny, Alex B. McBratney, J.C. van Dam, P. D. Jones , et al. · 2020

Indonesian peatlands are critical to the global carbon cycle, but they also support a large number of local economies. Intense forest clearing and draining in these peatlands is causing severe ecological and environmental impacts. Most stu…

Hydrological drought forecasts outperform meteorological drought forecasts Open

Samuel Jonson Sutanto, Fredrik Wetterhall, H.A.J. van Lanen · 2020

One of the most effective strategies to reduce the impacts of drought is by issuing a timely and targeted warning from month to seasons ahead to end users. Yet to accurately forecast the drought hazard on a sub-seasonal to seasonal time sc…

Evaluating skill and robustness of seasonal meteorological and hydrological drought forecasts at the catchment scale – Case Catalonia (Spain) Open

H.A.J. van Lanen, Theresa C. van Hateren, Samuel Jonson Sutanto · 2020

Robust sub-seasonal and seasonal drought forecasts are essential for water managers and stakeholders coping with water scarcity. Many studies have been conducted to evaluate the performance of hydrological forecasts, that is, stre…

Supplementary material to "Skill of large-scale seasonal drought impact forecasts" Open

Samuel Jonson Sutanto, Melati van der Weert, Veit Blauhut, H.A.J. van Lanen · 2020

Droughts, heatwaves, and wildfires: exploring compound and cascading events of dry hazards at the pan-European scale Open

Samuel Jonson Sutanto, Claudia Vitolo, Claudia Di Napoli, Mirko D’Andrea, H.A.J. van Lanen · 2020

Compound and cascading natural hazards usually cause more severe impacts than any of the single hazard events alone. Despite the significant impacts of compound hazards, many studies have only focused on single hazards. The aim of…

Skill of large-scale seasonal drought impact forecasts Open

Samuel Jonson Sutanto, Melati van der Weert, Veit Blauhut, H.A.J. van Lanen · 2020

Forecasting drought impacts is still missing in drought early warning systems that presently do not go beyond hazard forecasting. Therefore, we developed drought impact functions using machine learning approaches (Logistic Regression and R…

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