By National Research Council, Division on Earth and Life Studies, Ocean Studies Board, Division on Engineering and Physical Sciences, Board on Energy and Environmental Systems, Marine and Hydrokinetic Energy Technology Assessment Committee
Expanding renewable strength improvement, either in the usa and in a foreign country, has rekindled curiosity within the power for marine and hydrokinetic (MHK) assets to give a contribution to electrical energy iteration. those assets derive from ocean tides, waves, and currents; temperature gradients within the ocean; and free-flowing rivers and streams. One degree of the curiosity within the attainable use of those assets for electrical energy new release is the expanding variety of allows which have been filed with the Federal power Regulatory fee (FERC). As of December 2012, FERC had issued four licenses and eighty four initial allows, up from nearly 0 a decade in the past. even though, every one of these allows are for advancements alongside the Mississippi River, and the particular profit discovered from all MHK assets is very small. the 1st U.S. advertisement gridconnected undertaking, a tidal undertaking in Maine with a ability of lower than 1 megawatt (MW), is at the moment providing a fragment of that strength to the grid and is because of be totally put in in 2013.
As a part of its evaluation of MHK assets, DOE requested the nationwide learn Council (NRC) to supply exact reviews. In reaction, the NRC shaped the Committee on Marine Hydrokinetic power know-how overview. As directed in its assertion of activity (SOT), the committee first constructed an intervening time record, published in June 2011, which interested in the wave and tidal source exams (Appendix B). the present document comprises the committee's assessment of all 5 of the DOE source different types in addition to the committee's reviews at the total MHK source evaluation approach. This precis makes a speciality of the committee's overarching findings and conclusions concerning a conceptual framework for constructing the source tests, the aggregation of effects right into a unmarried quantity, and the consistency throughout and coordination among the person source tests. evaluations of the person source evaluation, extra dialogue of the sensible MHK source base, and overarching conclusions and proposals are defined in An review of the U.S. division of Energy's Marine and Hydrokinetic source Assessment.
Read or Download An Evaluation of the U.S. Department of Energy's Marine and Hydrokinetic Resource Assessments PDF
Best oceanography books
This booklet offers an in-depth dialogue of the organic and ecological geography of the oceans. It synthesizes in the community limited stories of the sea to generate a world geography of the significant marine international. in keeping with styles of algal ecology, the e-book divides the sea into 4 fundamental booths, that are then subdivided into secondary booths.
Due to in depth ocean backside surveys, mostly for the aim of constructing oil and fuel assets, scientists understand that deep-water corals shape vast reefs and enormous carbonate mounds within the chilly waters of the entire significant oceans. This e-book, written by means of Hovland (Statoil, Norway), a marine geology professional, is of substantial curiosity as a result of its many coloured photos and drawings that illustrate the destinations and natural range of the reefs and lumps.
Alien Ocean immerses readers in worlds being newly explored via marine biologists, worlds frequently out of sight and achieve: the deep sea, the microscopic realm, and oceans past nationwide barriers. operating along scientists at sea and in labs in Monterey Bay, Hawai'i, the Woods gap Oceanographic establishment, and the Sargasso Sea and at undersea volcanoes within the japanese Pacific, Stefan Helmreich charts how revolutions in genomics, bioinformatics, and distant sensing have pressed marine biologists to work out the ocean as lively through its smallest population: marine microbes.
Im vorliegenden Lehrbuch werden die Grundlagen der Theoretischen Meteorologie vermittelt. Nach Herleitung der grundlegenden Gesetze aus der Thermodynamik und Dynamik werden diese auf klein- und großräumige Bewegungsvorgänge in der Atmosphäre angewandt. Das challenge der Turbulenz wird im Zusammenhang mit der atmosphärischen Grenzschicht und der Ausbreitung von Luftbeimengungen behandelt.
- The Earth's Atmosphere. Its Physics and Dynamics
- Interhemispheric Water Exchange in the Atlantic Ocean
- A Strategic Vision for NSF Investments in Antarctic and Southern Ocean Research
- The Oceanic Thermohaline Circulation: An Introduction
- Introduction to Physical Oceanography
Extra info for An Evaluation of the U.S. Department of Energy's Marine and Hydrokinetic Resource Assessments
A data record of only 51 months and the lack of full spectral information at all grid points) and then generated parametric fits of wave frequency spectra for all points of interest. To produce maps of wave power density, it computed a sum of the power density associated with all spectral components at a given location, regardless of wave direction. , power density) impinging on a cylinder of unit diameter that extends over the entire water column. The total theoretical resource was then computed by summation of these cylinders along an entire line of interest (such as a 50 m depth contour or a 50 nmi line).
This ad hoc approach prescribes such an array using a capacity packing density, specified as 10 kW, 15 kW, and 20 kW per meter. The capacity packing density is defined as “the maximum extractable power by the array of devices,” similar in concept to the rated power (maximum extractable power by a single device). The range of values chosen is based on characteristics of the Pelamis (Pelamis Wave Power) and Powerbuoy (Ocean Power Technologies) extraction devices. Their results indicate that 29-93 percent of the theoretical resource could be captured.
Energy needs based on the theoretical resource alone would be inappropriate. S. electricity consumption (EIA, 2012). While national-scale resource assessments may be useful for identifying geographic regions of interest for a particular MHK extraction technology, the practical resource will depend on a host of technical and environmental factors and may be significantly lower than what the assessments indicate is regionally or locally available. html). It is not possible to predict the practical MHK resource from national resource assessments until the constraints posed by both the technical extraction filters and the practical socioeconomic and environmental filters are better quantified for each of the specific resources.
An Evaluation of the U.S. Department of Energy's Marine and Hydrokinetic Resource Assessments by National Research Council, Division on Earth and Life Studies, Ocean Studies Board, Division on Engineering and Physical Sciences, Board on Energy and Environmental Systems, Marine and Hydrokinetic Energy Technology Assessment Committee