Sea Technology

FEB 2016

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www.sea-technology.com February 2016 / st 63 phy Centre (NOC) and the University of Southampton using a combination of robot subs and ROVs. Theory has long predicted that there must be more cooling in certain locations on the Earth's crust than we could account for using the known mechanisms, and this new class of hy- drothermal vent system may account for that difference. What makes these hydrother- mal vent systems different is that the source of heat driving them comes from hot rock pushed toward the sea- bed by low-angle faults, called tec- tonic spreading centers, rather than volcanic heat from magma chambers. This new type of vent system is ex- pected to be found in tectonic seafoor spreading sites across the globe. How- ever, since they are almost invisible to the traditional ways of searching for hydrothermal vents, and the process driving them was not understood, they remained unaccounted for in scientif- ic models of how heat and chemistry are transferred from inside the Earth's crust. This new class of vent system has important implications for the balance of magnesium and calcium in seawa- ter, which plays a signifcant role in past climatic conditions. This research will mean that ocean models of mag- nesium and calcium budgets will need to be updated and could lead to more accurate insights into Earth's past cli- mate. AGU, CUR Support Geoscience Education In furtherance of their shared goals to build and sustain the global science talent pool, the American Geophysi- cal Union (AGU) and the Council on Undergraduate Research (CUR) have signed a memorandum of understand- ing (MOU) outlining the organizations' commitment to promoting undergradu- ate research opportunities, enhancing diversity in the geosciences, and sup- porting the geoscience talent pool. The collaboration will focus on de- veloping and growing programs and ini- tiatives designed to strengthen research opportunities in the Earth and space sciences at the undergraduate level, as well as expanding such research op- portunities at two-year colleges. Oppor- tunities will be created for students to present their work to the broader scien- tifc community and beyond. EGI Acquires US-Flag RV Eclipse Group, Inc. (EGI) has ac- quired the RV New Horizon, a 170-ft. U.S.-fag research vessel. The vessel has been renamed the Bold Horizon and is home ported in San Diego, California. The RV will serve as a powerful and fexible platform for tasks ranging from marine survey to sensor deployment to air crash investigation. Features in- clude a large, open main deck, an ar- ticulated stern A-frame with 11,500-lb. safe working load, J-frame, deck crane, CTD, instrumentation, and 10,000-m side scan winches. The working deck has direct access to a wet ocean lab, dry lab facilities, and a 15-person con- ference room with teleconferencing capability, offce and other accommo- dations. EGI's 2,000-m ROV Super Mo- hawk 15 has been installed and is operational. The RV is now available for char- ter to military, government, academ- ic, industry and private sector clients worldwide. ST & LINEAR For mor building amplifiers to drive reactive loads. (858) 571-1111 FAX (858) 571-0188 info@instrumentsinc.com Copyright 2016 M o d e l S 1 6 - 2 0 A A 2 0 % d u t y 3 5 x 3 1 . 5 x 3 5 . 5 i n c h e s ; 9 8 5 l b s . i s i t o u r . i n s t r u m e n t s i n c . c o m 7 2 6 3 E n g i n e e r R d . , S a n D i e g o , C A 9 2 1 1 1 - 1 4 9 3 ( 8 5 8 ) 5 7 1 - 1 1 1 1 F A X ( 8 5 8 ) 5 7 1 - 0 1 8 8 i n f o @ i n s t r u m e n t s i n c . c o m

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