Page 1 of 18 - About 174 Essays
  • Freshwater Threats

    groundwater. 14. How many states have laws that acknowledge that ecosystems may also be reliant on groundwater? (Table 1) a. Only 25 of the states have laws that recognize groundwater-dependent ecosystems. 15. Although we know water quantity affects water quality (i.e. dilution/concentration for contaminants), what percent of states have different agencies that oversee groundwater quality and groundwater quantity? (Table 1) a. 36 states have different agencies oversee water quantity and water quality. 16. What do your answers to #13-15 suggest about how successful we have been in incorporating our scientific understanding of hydrology and its impacts to water quality and ecosystems into state regulations and groundwater management? a. The previous answers show that we have not been very successful in incorporating scientific understanding of hydrology into state water regulations and management. The fact that not all states have laws addressing the issues brought up by the survey show that there is a disconnect between scientists and policy makers. 17. Megdal explains that groundwater is a classic “common-pool” resource subject to the Tragedy of the Commons (Hardin, 1968). While California has recently passed groundwater regulations, the controls on withdrawal have yet to begin. How do you think this will affect our rates of groundwater extraction in this “free” period prior to regulation? Explain. (p. 678) a. I think that once controls are implemented, the rates…

    Words: 1436 - Pages: 6
  • California Drought Research Paper

    The boundless number of rainfall and stream flow data started during the turn of the 20th century. The recorded hydrology during this time period only collected a few significant statewide droughts that manifested. These historical droughts occurred during 1928-34, 1976-77, 1987-92, and 2007-09. The latest heavy regional drought that shook the Southern parts of California was during 1999-2002. According to historical data with estimates from implied signals such as tree rings that suggest that…

    Words: 704 - Pages: 3
  • The GPM IMERG Rainfall For Crop Remulation Model

    (Jones et al., 2003). The crop model is equipped with its own soil hydrology module that interacts with the crop component that simulates plant’s phenology, morphology and yield. Crop models are generally designed to run continuously from sowing until maturity or harvest – unless the crop fails due to extreme stress. However, to incorporate DSSAT in the modeling framework (Fig. 3), it is customized to stop when desired and restarts from that point in time (Ines et al., 2013; Das et al.,

    Words: 782 - Pages: 4
  • Hydrological Cycle Essay

    Earth’s hydrology consists of many complicated processes that influence or directly impact the availability, as well as the quality, of water resources in a region. Rising global temperatures are projected to have a significant influence on these natural processes, affecting many components of the hydrological cycle. Hydrology, in the broadest definition, is the study of water. More specifically, it is a physical science, which “encompasses the distribution, movement, and quality of water in…

    Words: 750 - Pages: 3
  • The Importance Of Water In Water

    Water is a key to organizing all creatures lives and is important in many land surface disciplines such as agriculture, hydrology and environmental science (Delworth and Manabe, 1989). Especially, soil moisture is vital of importance to plant in order to maintain its life processes biologically. Water constitutes 80 to 90% of the fresh weight of most herbaceous plant parts and more than 50% of the fresh weight of woody plants. On the other hand, increasing population and decreasing water source…

    Words: 1210 - Pages: 5
  • Water: The Importance Of Water In The Ancient World

    The Soil and Water Assessment Tool (SWAT) model is found to be suitable for this purpose (Arnold et al., 1998; Arnold and Fohrer, 2005). Although this model has been widely used in regional scale, this research will also try to identify the compatibility of using SWAT model in a small scale urban watershed. Two main components of my research are ‘hydrology’ and ‘land use change’. A study area near Indiana University (IU) Golf Course has been selected to conduct the research. A new health center…

    Words: 1222 - Pages: 5
  • River Flow Alteration Essay

    methods include a modified Tennant method or use of low flow indices that have been used to define the ecological relevance and modified for transferability of techniques across different regions and river types (Tharme, 2003). More structured assessments include complex hydrodynamic habitat modelling. The most common assessment types are the desktop environmental flow methodologies that rely primarily on the use of historical monthly or daily hydrological data (Tharme, 2003). These…

    Words: 1226 - Pages: 5
  • Landscape Ecology In Transportation

    Transportation and Change: The impact from the artificial landscapes of waterway transportation system on the hydrology and economy of the surrounding region. I. Introduction A. To estimate if it is worth changing the landscape to enhance the transportation system, it is critical to give comprehensive evaluations to current cases. B. Dr. McQueary (2006) states in the article “Landscape ecology in transportation planning” that while development of transportation systems benefits humans…

    Words: 730 - Pages: 3
  • Water Cycle Essay Conclusion

    people. However, in a bird’s view, water science also called the hydrological study, is the study of water forms and changes it undergoes during its journey in the hydrological cycle. The science also involves a deep understanding of what may go wrong in the water cycle and how it can be solved. All this and much more will be systematically and in the simplest, but detailed way possible tackled in this book. References Jury, W. A., & Vaux, H. (2005). The role of science in solving the world…

    Words: 1502 - Pages: 7
  • How Water Affects Agriculture

    costly input when canals supply it. The constructing of dams and reservoirs, the conveying of water from storage points to the fields, the operating and the maintaining of canal systems involve huge expense. The misuse of water leads to the problems of water logging, salt imbalance, etc. thus rendering agricultural lands unproductive. Hence a proper appreciation of the relationship and economic utilization of water resources for maximum crop production. How does agriculture affect water?…

    Words: 987 - Pages: 4
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