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In this article, “Global water resources affected by human interventions and climate change”, several authors come together to present a case for human induced climate change and the effects of human intervention on global water resources. A large compilation of research is brought forth to provide evidence for such claims. In this article it is stated that humans have a direct impact on the water cycle, examples of this would be dams constructed for water storage, as well as water used and through water for domestic, agricultural  industrial, agricultural, or domestic purposes. According to evidence brought forth, a study with the water balance model showed that the impact of human disturbances, such as dams and water consumption, in some river basins is equal to or greater than the impact of expected climate changes on annual runoff over the next 40 years. Another factor being studied is that water for irrigation is the largest component of water use at approximately 70% and almost 90% of water used for human consumption. The projected changes for the actual irrigation water consumption are not as clear as the changes projected for irrigation water consumption. As a result of compiling information from data models it is determined that that actual impacts of, water consumption water withdrawals and things such as man-made reservoirs in regards to global water reserves is a rather small number, yet not insignificant. Several models that have been made to simulate use of water consumption and human intervention on global water supply reveal rather small numbers.

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The specific techniques employed in this article include the collection and presentation of data collected to support the claim by many scientists that not only is there is climate change, also referred to as global warming by those in the scientific community, but that it has a direct impact on global water resources. The data collected serves to present scientific articles that address climate change, support it or deny it as well as possible causation. Over 30 articles pertaining to climate change and the correlation of such and the negative impact on global water supply. Over 10 authors compiled evidence taken from over 30 peer reviewed articles presenting collection of data, charts and information regarding research done and models uses to predict such outcomes in the future.These techniques were employed to gather evidence and gain support for precautionary methods against water shortages due to human intervention and human induced global warming as well as the natural warming of the earth.

Data collected includes a large number of models to simulate the effects of climate change and the direct effect it has on the terrestrial water cycle. As a result of climate change, areas of the globe that  that are more heavily irrigated, will only increase in need for more irrigation. The effect of climate change on water  runoff and drainage is not documented as a negative or positive in numbers and could either relives or put more stress on the water irrigation availability. As a whole, according to the data, the gap between possible or theoretical irrigation water consumption and actually is expected to close which in turn assumes that there is a heightened scarcity in water irrigation throughout the globe.

E) SUMMARY: Conclusions made by this article and the many scientists and researchers who contributed to to compilation and retrial of data suggest that humans alter the water cycle by constructing dams and through water withdrawals. Additionally, climate change is expected to affect water supply and demand. this is also due in large part to human activities that induce climate change. Again in addition, according to the data, the gap between possible or theoretical irrigation water consumption and actually is expected to close which in turn assumes that there is a heightened scarcity in water irrigation throughout the globe.



3. In my opinion the practice of using a self- reference in scientific work may raise questions as to the validity of the research upon which the article or work was based, however in this particular case there are many other references to validate the legitimacy of this work, and there were many scientific researcher involved to justify this practice. 

The information presented is very applicable to real world use. The information presented shows a analysis of models used to collect and present data for climate change and direct human impacts on the terrestrial water cycle. It is an issue that has very real effects and is not simply an issue for those in the scientific community. Global water resources and the effect that human intervention and climate change have on it could be detrimental to survival of humans and all life on earth.The information presented is used to present statistics and promote awareness of these current issue that effect the entire global population. These issue must be addressed so that the future of life on earth is preserved.