Usgs software and models, methods for estimating groundwater recharge in humid regions. Modeling summer month hydrological drought probabilities in the united states using antecedent flow conditions. Assessing the effects of land cover and future climate. A system dynamic model to estimate hydrological processes and.
Many of these impacts are associated with hydrological drought drought in rivers, lakes, and groundwater. Influences of climate change on water resources availability in jinjiang basin, china. The hydrological drought analysis tool developed on this research permits more frequent updating of runoff estimates to better represent catchment characteristics and take account of any changes in climatic and geophysical processes. Hydrological article about hydrological by the free dictionary.
Hydrological droughts are influenced by hydrological processes of the hydrologic cycle peters et al. This study aims to evaluate the scientific evidence for the hydrological drought. Hydrological definition of hydrological by the free. In view of this, 1day low flows, as a measure of hydrological drought, were calculated for 15. Hydrological drought severity explained by climate and. Takeuchi, estimating the evolution of vegetation cover and its hydrological impact in the mekong river basin in the 21st century, hydrological processes, vol. In order to analyze how hydrological drought responds to meteorological drought, we used pcc method to analyze the time lag between hydrological drought and meteorological drought by using the monthly ssi ssi1 series and spi at different time scales spi1 to spi12 for each month, by finding the differences between the drought durations. Estimation of hydrological drought characteristics nizowka 2003 software manual authors. Streamflow data from winter months are used to estimate the chance of hydrological drought during summer months. Hydrological drought can consist of groundwater drought andor river flow drought, which interact via catchment hydrological processes tallaksen and van lanen 2004. Consequently, the spatial variation of hydrological drought severity is highly dependent on terrestrial hydrological processes. Processes and estimation methods for streamflow and groundwater volume 48 developments in water science volume 48 lena m.
Assessment of hydrological drought revisited springerlink. Hydrology and hydrological cycle in water resource engineering. Meteorological and hydrological droughts in europe. Hydrological drought process the occurrence of hydrological droughts is considered to exhibit stochastic characteristics and thus complex in nature. Charles and guobin fu, impacts of climate change on hydrological processes in the headwater catchment of the tarim river basin, china, hydrological processes, 24, 2, 196208, 2009. Hydrological niche segregation defines forest structure. The rest of the installation process requires no users intervention. Hydrological drought is a textbook for university students, practising hydrologists and researchers. Reliable hydrological drought forecasting is important for effective water management, as hydrological drought affects society more than other types of drought. Drought, or water deficit, is a natural disaster that occurs in all climate regimes, although its complex structure and impacts may vary from one region to another wilhite and buchanan. Processes and estimation methods for streamflow and.
Software from textbook hydrological drought tallaksen and van. Processes and estimation methods for streamflow and groundwater volume 48 developments in water science volume 48 at. Download drinc software drought indices calculator. On the contrary, for meteorological droughts very simple and effective indices such as the standardised precipitation index spi have been used. Socioeconomic definitions of drought associate the supply and demand of some economic good with elements of meteorological, hydrological, and agricultural drought. The outputs of eleven global climate models gcms were.
This study quantifies the sensitivity of surface runoff to drought and climate change in the diyala watershed shared between iraq and iran. Besides meteorological forcing, storage is important. A new concept ecological drought was needed to capture this emphasis on how drought impacts ecosystems. Hydrological drought explained wiley online library. Meteorological drought meteorological sometimes referred to as climatological droughts are simply defined as a shortfall of precipitation, over a period of time. Response of hydrological drought to meteorological drought.
Tallaksen and others published hydrological drought. Research was funded to identify what we know about the impacts of ecological drought across the country the knowns, where information is lacking the needs, and how managers can plan for these impacts and adapt to changing. The challenges and future prospects for drought prediction are summarized in sections 7 and 8, followed by conclusions in section 9. Work package b3 delivers national scale hydrological modelling with the aim of providing enhanced scientific understanding and modelling capability for representing drought processes. Hydrologists as distinct from economists or social scientists define drought according to water deficits in some component of the hydrological cycle precipitation, soil moisture, river flow and groundwater or the impact on the level of service provided to public water supply, irrigation or hydropower demands. We used the total length of the discharge time series to calculate hydrological. The knowledge of hydrology is necessary to perform design, operation and maintenance of the water resource engineering projects. More work is needed to understand which physical processes generate the drought conditions depicted in figure figure7, 7, assess how the frequency and occurrence of these processes are going to change in a warming climate, and also analyze the relationship between hydrological drought duration and deficit and climate characteristics e. Dec 23, 2003 drought is often grouped into four basic types.
It differs from the aforementioned types of drought because its occurrence depends on the time and space processes. Hydrological drought deficit, however, is governed by average catchment wetness. Oct 29, 2015 more work is needed to understand which physical processes generate the drought conditions depicted in figure 7, assess how the frequency and occurrence of these processes are going to change in a warming climate, and also analyze the relationship between hydrological drought duration and deficit and climate characteristics e. A probabilistic prediction network for hydrological drought. Please refer to the section submit your references on how to submit. Hydrology is the study of occurrence and movement of water above or below the surface. Hydrological drought severity explained by climate and catchment. Processes and estimation methods for streamflow and groundwater volume 48 developments in water science volume 48. Estimating the responses of hydrological and sedimental. Meteorological drought american meteorological society. This modal can be closed by pressing the escape key or activating the close button.
Hydrology and hydrological cycle are important science that deals with the depletion and the replenishment of the water resources. Zhaofei liu, zongxue xu, junxiong huang, stephen p. The following is a list of the most cited articles based on citations published in the last three years. Estimating and interpreting hydrological drought indices. September 2009 8 hydrological model at jrc lisflood a hydrological rainfallrunoff model capable of simulating the hydrological processes. This was achieved through a combined use of a wide range. To achieve this, research has focused upon the analysis of catchment flows for past and future droughts and the incorporation of new processes and water resource. Hydrological droughts are influenced by hydrological processes of the hydrologic.
A probabilistic prediction network for hydrological. In phase ii, the infiltration process is temporarily stable. It includes a qualitative conceptual understanding of drought features and processes. Hysim is a hydrological simulation model rainfallrunoff model which uses rainfall and potential evaporation data to simulate the hydrological cycle surface runoff, percolation to groundwater and river flow on a continuous basis.
Based on monthly streamflow and precipitation data from 1960 to 2010 in the jinjiang river basin of china, standardized precipitation index spi and standardized streamflow index ssi were used to represent meteorological and hydrological drought, respectively. The proposed environmental flow assessment method is able to offer drought. The course will cover advanced techniques for hydrological modelling, including stochastic modelling of rainfall and runoff processes and catchment modelling of hydrological processes. Estimation of hydrological drought characteristics nizowka. Meteorological and climatological drought is defined in terms of the magnitude of a precipitation shortfall and the duration of this shortfall event. The effects of hydrological drought on water quality. Integrating drought hydrology to the national scale marius. Processes and estimation methods for streamflow and groundwater. Hydrological drought forecasts show greater uncertainty than meteorological drought forecasting because of input and parameter uncertainties aghakouchak, 2014. This study concerned the sediment issue of the yellow river basin. Sensitivity of surface runoff to drought and climate.
A new probabilistic hydrological drought forecast model has been developed using drought propagation relationships. The frequency and severity of global drought induced impacts have led to raising awareness of the need for improved river management. The frequency and severity of meteorological and hydrological droughts have increased in most parts of europe. A hydrological drought is defined as dry periods that are very long, to the extent that affected river streamflows and water storages in aquifers, lakes or reservoirs fall below longterm mean levels. Estimation of hydrological drought characteristics, nizowka 2003, software manual. The following list contains references to key publications from edcmembers on drought and drought related issues. Keywords drought, drought termination, end of drought, hydrological cycle, low flow, meteorological drought, agricultural drought, hydrological drought, groundwater drought references ahmed, m, sultan, m, wahr, j. Standardised precipitation index reconnaissance drought index streamflow drought. Download drought indices calculator drinc software setup, documentation and other resources. The amount of the shortfall and the duration are specific to location or region. It differs from the aforementioned types of drought because its occurrence depends on the time and space processes of supply and demand to identify or classify droughts. Drought related software standardized climate indices sci the sci package is a free extension to the r language that efficiently calculates standardized climate indices, including the standardized precipitation index spi, the standardized precipitationevapotranspiration index spei, and the standardized runoff index. To run the program double click the file nizowka2003.
The response of hydrological drought to meteorological drought. Early estimation of drought impacts on rainfed wheat yield in. Software from textbook hydrological drought tallaksen. In knowing that the drought propagation process is complicated, especially when considering human managed interventions such as reservoir operations, diversions, water consumption. Modeling summer month hydrological drought probabilities. Hydrological modelling as a tool for interdisciplinary. Hydrological drought processes and estimation methods for streamflow and groundwater ed.
Climate change raises concern that risks of hydrological drought may be increasing. Drinc drought indices calculator software aims at providing a userfriendly interface for calculating drought indices, suitable for meteorological, hydrological and agricultural drought analysis. The dyk is a suite of notes that attempt to explain or clarify complex climate phenomena, climate monitoring products and methodologies, and climate system insights. We estimate hydrological drought probabilities for rivers and streams in the united states u. Lsur length of overland flow feet 200 500 100 700 topography estimate from maps or gis slsur sol pe of overal nd fol w plane none 0. Tallaksen, lm, van lanen, haj eds 2004 hydrological drought. Briefly tracing the history of hydrologic modeling, this paper discusses the progress that has been achieved in hydrologic modeling since the advent of computer and what the future may have in store for hydrologic modeling. Drought is a recurrent feature of the european climate that affects considerable fractions of the european population each year. It is, therefore, crucial to understand the development and recovery of hydrological drought.
Developments in water science, 48, elsevier science b. Jul 22, 2008 a variety of indices for characterising hydrological drought have been devised which, in general, are data demanding and computationally intensive. The objective of this study was to assess the effects of hydrological droughts on the water quality in mazandaran province, iran, based on analysis of the low flow index and existing water quality data. Propagation of meteorological drought to hydrological drought may take several days or months based on watershed characteristics tallaksen and van lanen, 2004. Tallaksen hydrological drought, processes and estimation. Software from textbook hydrological drought tallaksen and. September 2009 8 hydrological model at jrc lisflood a hydrological rainfallrunoff model capable of simulating the hydrological processes in a catchment developed by the floods action of iesjrc specific objective to produce a tool for use in large and trans. Its development is slower than the previous two classes because it covers not only the process of depletion, but also the replenishing phase. Hydrological drought 1st edition european drought centre.
The book hydrological drought processes and estimation methods for streamflow and groundwater, edited by lena m. Four representative concentration pathway rcp scenarios with different radiative forcing levels were considered. This paper summarises different techniques for defining a drought. The responses of hydrological and sedimental processes to future climate change in two upland watersheds with different dominant landscapes were estimated. It is common to use atmospheric model outputs to drive hydrological models for making seasonal hydrological drought forecasts 43, 44 or estimating future droughts. A methodology for characterising the severity of hydrological droughts is proposed which uses an index. The software and accompanying documents are for teaching and personal use only. In phase i, there is a local maximum at i start before ir decreases. The scientific study of the properties, distribution, and effects. Drought index for the characterisation of agricultural drought. A synthetic scenario as used in this paper refers to a hydrological model that suggests a representation of our understanding about the real word, i.
Overview drinc software drought indices calculator. Hydrological drought processes and estimation methods for streamflow and groundwater lena m. The following drought indices are currently included in drinc. Drought is a complex natural hazard that impacts ecosystems and society in many ways. Traditionally, drought can be classified into meteorological, agricultural, hydrological, and socioeconomic drought. Modelling the impacts of climate change on australian. A characteristic monthly variation pattern was found for soil evaporation. Research was funded to identify what we know about the impacts of ecological drought. A systematic comparison of statistical and hydrological.
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