Climate change and its impact on water resources pdf

Things that we depend upon and value water, energy, transportation, wildlife, agriculture, ecosystems, and human health are experiencing the effects. As climate change warms the atmosphere, altering the hydrologic cycle, changes to the amount, timing, form, and intensity of. This november, the worlds gaze will fall on fiji to move the global agenda forward on reducing carbon emissions. We also need water for agriculture, energy production, navigation, recreation, and manufacturing.

Current observing systems essentially no aspect of the current hydrologic observing system was designed specifically to detect climate change or its effects on water resources. Climate change and its impact on groundwater resources c. Climate change and challenges of water and food security. Effects of climate change on the water resources can be significant by causing changes in quantity, type snow or rain, and timing of precipitation figures 1. Drought conditions plague australias lake hume climate. The regional climate model hadrm2 see keysheet 2 was then used to study the impacts of climate change on water resources. Water resources professionals interested in climate change and its impact on the water resources and who would want to use this knowledge in relation to water resources assessment, management and planning. Again, the development of a national climate change adaptation stragegy has been agreed on as a trigger under the natural resources and environmental governance programme in ghana. Many regions lie in transitional zones where water resources, and hence agricultural production, could be affected positively or nega. Msu extension is supporting these efforts with programs and resources for michigan residents and those elsewhere.

The effect of climate change on water resources and programs introduction the goal of this module is to educate water program managers, as well as the general public, on the expected effects of climate change on water resources and water programs. Schroders the impact of climate change on the global economy 3 there is also an opportunity cost to be considered. Impact of global climate change on chinas water resources. The effect of global warming further intensifies temporal and spatial variations in precipitation, melting of snow and water availability. The above analysis is based on a ceteris paribus1 argument whereby the worlds population is seen not to respond to climate change.

Climate change and its impact on water resources 531 and especially over highlatitude regions in canada, annual precipitation has increased, and the primary exception is over the southwestern. The temperature of the planet rises because of indiscriminate exploitation of its resources and destruction of the environment. Waterrelated impacts and vulnerabilities due to climate change. In order to assess this impact, a macroscale and semidistributed monthly water balance model was. Responses to climate change are then discussed, both in terms of adaptation strategies to reduce or avoid impacts of climate change, and in terms of mitigation strategies that utilities may adopt to reduce the contribution of water utility operations to the production of greenhouse gas ghg emissions. From urban and agricultural water supplies to flood management and aquatic ecosystem protection, global warming is affecting all aspects of water resource. Among the inevitable consequences of climate change, the most important is its impact on water resources the basis of environmental wellbeing, economic growth, and global security 2. Water is the primary medium through which we will feel the effects of climate change. The effect of climate change on water resources and programs introduction the goal of this module is to educate water program managers, as well as the general public, on the expected effects of climate. The impact of climate change on the quantity and quality of groundwater resources is of global importance because 1. Secondly, ghanas economy relies heavily on climate sensitive sectors mainly on. Whether our resources are limited, like oil, gas and coal, or renewable, education and action are key to managing our future resources. This paper provides an overview of the projected physical and economic effects of climate change on water resources in north america with a focus on water shortages, and a brief discussion of potential means to mitigate adverse consequences. Oct 22, 2014 the impact of climate change and the growth in population will only continue to heighten with time.

All these will likely have adverse effects on water resources. The use of integrated assessment models iams to identify the physical impacts of climate change on water resources has advanced greatly in the past decade. Again, the development of a national climate change adaptation stragegy has been agreed on as a trigger under. Transcript for understanding climate change impacts on.

Water resources professionals interested in climate change and its impact on the water resources and who would want to use this knowledge in relation to water resources assessment, management and. Even more water evaporates in industrial and communal technologies. Ying aiwen et al, modelling climate change impact on water resources in the middle and upstream regions of yellow river, international symposium on environment and biometeorology, 1995, beijing. Effects of climate change on water resources choices magazine. Using a case study, explain one way a country has responded to the threat of water insecurity. Although climate change will result in both challenges and opportunities for agriculture, it is well understood that factors that may have led to the current food security crisis are likely to multiply under.

The effect of climate change on water resources and programs. Reviews the impacts of climate change on water resources and agriculture in china shilong piao1, philippe ciais2, yao huang3, zehao shen1, shushi peng1, junsheng li4, liping zhou1, hongyan liu1. The temperature of the planet rises because of indiscriminate exploitation of its resources and destruction of the. Climate impacts on water resources climate change impacts. The main climate change consequences related to water resources are increases in temperature, shifts in precipitation patterns and snow cover, and a likely increase in the frequency of flooding and droughts. This knowledge will help us to prepare for and adapt to the effects of climate change. Climate change is already impacting water and other resources in california, and will continue to do so as californias population and demand for water increases. These impacts extend well beyond an increase in temperature, affecting ecosystems and communities in the united states and around the world. Presentation prepared with the help of neha rathi, a volunteer at slideshare uses cookies to. Engage with the ipcc there are many ways to be involved and participate in the ipcc world. The main effect of climate change on the water resources of the entire planet is the disruption of the hydrological cycle.

Different climate and water balance models have been developed to estimate potential impacts of climate change. Climate change and its impact on groundwater resources. Since so much of everyday life and planning is determined by. Climate change is expected to have dramatic effects on water resources in the united states and. The map below shows the global distribution of risks associated with main agricultural production systems. Climate impacts on society climate change impacts us epa. The effect of climate change on water resources and. Framework convention on climate change unfccc at its eleventh session, in. Pdf assessing the impact of climate change on groundwater resources using groundwater flow models. These disasters can destroy water supplies and toilet, or leaving behind contaminated water and putting the lives of millions of children at risk. Introduction virtually every business decision is also a decision about the use of natural resources. When people talk about climate change affecting agricultural.

In fact, most of the climate change impacts come down to water, says upmanu lall, director of the columbia water center. Climate change will affect water resources through its im pact on the quantity, variability, timing, form, and inten sity of precipitation. Jun 22, 2017 in fact, climate change risk atlas 2010 has ranked nepal as the fourth most vulnerable country in terms of the impacts of climate change. The intergovernmental panel on climate change ipcc report on the water sector ipcc, 2008 summarizes links between climate change and water through all. Yields of traditional crops, such as cassava, will be less. In some regions, droughts are exacerbating water scarcity and thereby.

Though its impacts are observed in several sectors. Implications of climate change for urban water utilities. Participants should have a background in water resources and knowledge of the use of mike powered by dhi modelling tools nam and mike basin. Ghana national climate change adaptation strategy nccas. Global warming is the ongoing rise of the average temperature of the earths climate system and has been demonstrated by direct temperature measurements and by measurements of various effects of the warming. This presentation talks about the impact on global water resources caused by climate change. But many of these models are not precise because of their coarse. Climate change impacts in the terrestrial realm climate change is expected to have a significant influence on terrestrial biodiversity at all system levels ecosystem, species and genetic diversity. Climate change and its effects on water resources springerlink. Choices article effects of climate change on water resources. Many researchers have done their best, however, to develop numerical simulation techniques which can evaluate each interaction and the integrated influences. Water from arable land, artificial reservoirs, landfills returns to the sky unchanged. The impacts of climate change on water resources and. Climate impacts on water resources european environment agency.

Fijis future depends on countering the impact of climate change. Climate change could affect our society through impacts on a number of different social, cultural, and natural resources. It is known that more than 60% of water falling on land, a person deprived of its natural functions. If the oceans and atmosphere continue to warm, sea level is. Its availability and the occurrence of extreme events like floods and droughts condition the location of urban, industrial and agriculture areas, power generation. The impact of climate change on renewable groundwater resources by the 2050s, for a low emissions scenario. As per the fourth ipcc assessment report the knowledge of groundwater recharge and of levels in both developed and developing. Water availability is becoming less predictable in many places, and increased incidences of flooding threaten to destroy. Pdf climate change and its impact on water resources.

In fact, climate change risk atlas 2010 has ranked nepal as the fourth most vulnerable country in terms of the impacts of climate change. For example, climate change could affect human health, infrastructure, and transportation systems, as well as energy, food, and water supplies. As president for the 23rd climate change conference cop23, the fijian government will continue its unwavering battle to address one of the greatest challenges. This research paper will address the issue that climate change is occurring and its impact on temperature, oceans, ecosystems, fresh water and the human population. Physical impacts of climate change on water resources. Climate change and water department of water resources. This training module is intended to increase your understanding of the causes of climate change, its potential impacts on water resources, and the. Water resources are important to both society and ecosystems. Climate change and its effects on natural resources msu. The impact of climate change on water, sanitation, and.

When people talk about climate change affecting agricultural output, sea level rise, wildfires and extreme weather theyre all essentially a water story, says lall. Some groups of people will likely face greater challenges than others. Much of the impact of climate change will be felt through changing patterns of water availability, with shrinking glaciers and changing patterns of precipitation increasing the likelihood of drought and flood. The effects of climate change on ghana and nations as a result of disasters. Impacts of climate change on food security learners notes 3 agricultural systems will need to cope with new stresses and risks. This pdf file was adapted from an online training module of the epas watershed.

Climatic change has great implications for hydrological cycle and water resources planning. Climate change impacts national oceanic and atmospheric. If climate change is the shark, then water is its teeth and it is an issue on which businesses need far greater levels of awareness. Pdf the effects of climate change on water resources. Climate change water, sanitation and hygiene unicef. It is a major aspect of climate change which, in addition to rising global surface temperatures, also includes its. The effects of climate change on water resources in the. Addressing climate change in the water sector us epa. Climate change affects water resources by its profound impact on water quantity, variability, timing, form, and intensity of precipitation. The issue of economic development is intrinsically connected with global warming. Kumar scientist f, national institute of hydrology, roorkee 247667 uttarakhand abstract. The impact of climate change on water, sanitation, and diarrheal diseases in latin america and the caribbean august 2007 water and sanitation play a crucial role in the transmission.

Though its impacts are observed in several sectors of nepal, water resources is one of the hardest hit sectors. Climate change and its impacts essay 1938 words bartleby. The intergovernmental panel on climate change ipcc is active socially choose your network. Jun 06, 2017 not climate affects water resources, and changes in the state of water affect the climate. Climate change is changing our assumptions about water resources. Water availability is becoming less predictable in many places, and increased incidences of flooding threaten to destroy water points and sanitation facilities and contaminate water sources. Coping with water scarcity in agriculture a global framework for action in a changing climate why a global framework for action on water scarcity in agriculture is needed the world is thirsty, because it is hungry water. Depending on the region, climate change will have widely differing effects on europes water. This article briefly discusses climate change and its causes and impacts on water. Climate change impacts on water resources in canada vary regionally including shortages droughts, excesses floods and associated water quality issues, depending on the season. Climate change will affect water resources through its impact on the quantity, variability, timing, form, and intensity of precipitation.

At first glance, a map of chinas climate and ecosystems fig. Sep 23, 2019 in fact, most of the climate change impacts come down to water, says upmanu lall, director of the columbia water center. Impact of climate change on water supplies metlink. Keysheet 5 climate change impacts on water resources in india 1 to make a detailed analysis of the spatiotemporal variability of precipitation over the major river basins of india based on long term recorded data. Climate change and its impacts on water resources and crop production is a major force with which china and the rest of the world will have to cope in the twentyfirst century 1,2. We depend on a reliable, clean supply of drinking water to sustain our health. Water and climate change are inextricably linked, as the effects of climate change are first felt through water. Climate change impacts in the terrestrial realm contd evolutionary effects changes in species abundance, distribution, and phenology suggest changes in species fitness in response to climate change.

Climate change and water resources managementa federal perspective. Climate impacts on water resources european environment. Keysheet 5 climate change impacts on water resources in india 1 to. Not climate affects water resources, and changes in the state of water affect the climate. Sea level is rising more rapidly along the texas coast than the rise caused by climate change alone, because the land is sinking, largely because of ground water pumping.