Localized structure in the cusp and high-latitude ionosphere: a modelling study

first_imgThe ionospheric signature of a flux transfer event (FTE) seen in EISCAT radar data has been used as the basis for a modelling study using a new numerical model of the high-latitude ionosphere developed at the University of Sheffield, UK. The evolution of structure in the high-latitude ionosphere is investigated and examined with respect to the current views of polar patch formation and development. A localized velocity enhancement, of the type associated with FTEs, is added to the plasma as it passes through the cusp. This is found to produce a region of greatly enhanced ion temperature. The new model can provide greater detail during this event as it includes anisotropic temperature calculations for the O+ ions. This illustrates the uneven partitioning of the energy during an event of this type. O+ ion temperatures are found to become increasingly anisotropic, with the perpendicular temperature being substantially larger than the parallel component during the velocity enhancement. The enhanced temperatures lead to an increase in the recombination rate, which results in an alteration of the ion concentrations. A region of decreased O+ and increased molecular ion concentration develops in the cusp. The electron temperature is less enhanced than the ions. As the new model has an upper boundary of 10 000 km the topside can also be studied in great detail. Large upward fluxes are seen to transport plasma to higher altitudes, contributing to the alteration of the ion densities. Plasma is stored in the topside ionosphere and released several hours after the FTE has finished as the flux tube convects across the polar cap. This mechanism illustrates how concentration patches can be created on the dayside and be maintained into the nightside polar cap.last_img read more

Estimation of ice shelf melt rate in the presence of a thermohaline staircase

first_imgDiffusive convection–favorable thermohaline staircases are observed directly beneath George VI Ice Shelf, Antarctica. A thermohaline staircase is one of the most pronounced manifestations of double-diffusive convection. Cooling and freshening of the ocean by melting ice produces cool, freshwater above the warmer, saltier water, the water mass distribution favorable to a type of double-diffusive convection known as diffusive convection. While the vertical distribution of water masses can be susceptible to diffusive convection, none of the observations beneath ice shelves so far have shown signals of this process and its effect on melting ice shelves is uncertain. The melt rate of ice shelves is commonly estimated using a parameterization based on a three-equation model, which assumes a fully developed, unstratified turbulent flow over hydraulically smooth surfaces. These prerequisites are clearly not met in the presence of a thermohaline staircase. The basal melt rate is estimated by applying an existing heat flux parameterization for diffusive convection in conjunction with the measurements of oceanic conditions at one site beneath George VI Ice Shelf. These estimates yield a possible range of melt rates between 0.1 and 1.3 m yr−1, where the observed melt rate of this site is ~1.4 m yr−1. Limitations of the formulation and implications of diffusive convection beneath ice shelves are discussed.last_img read more

Eduardo Menezes and H5 Elvaro Take CaptiveOne Advisors 1.50m Classic

first_img We’ll send you our regular newsletter and include you in our monthly giveaways. PLUS, you’ll receive our exclusive Rider Fitness digital edition with 15 exercises for more effective riding. Subscribe to the Horse Sport newsletter and get an exclusive bonus digital edition! In the third week of the 2021 Winter Equestrian Festival (WEF), Eduardo Menezes (BRA) and H5 Elvaro, owned by the H5 Stables, put forth a double-clear effort to the win in the $37,000 CaptiveOne Advisors 1.50m Classic CSI3* on Saturday, January 30, at the Palm Beach International Equestrian Center (PBIEC).Coming up next on the schedule is Sunday afternoon’s $137,000 NetJets Grand Prix CSI3* to wrap up an exciting week of international show jumping. You can catch the action for free on the livestream. Competition at WEF runs through April 4, with feature classes available for viewers to watch both live and on-demand, as coverage continues throughout the winter circuit in Wellington, Florida.Saturday’s feature class saw 70 horse and rider combinations challenge the 1.50m track set by Peter Grant (CAN) and Joey Rycroft (CAN) which proved to be difficult enough, narrowing the field to just 10 for the jump-off. Menezes and the 12-year-old Dutch Warmblood stallion by Calvaro F.c. x April Love M, were the first to return in the second round, executing the shortened track with precision and stopping the timers at 41.08 seconds.“When you are in a jump-off like this with riders like this, you have to do your job and hope for the best,” said Menezes. “My horse has a big stride but he’s also a horse that collects really quickly, so I think I had an advantage coming into the last combination because it was a very big canter and then some of the other riders needed to take a little bit of time to slow down coming into the combination. My horse settled in really quick and nicely, so I think that’s where I made up some time.”Similar to some of the other courses set this week, the jump-off path left riders with a combination of places to open up their gallop and a few opportunities to leave out strides, to optimize their time. Last to go in the second round, Katie Dinan (USA) kicked it into high gear aboard the 16-year-old Irish Sport Horse gelding Dougie Douglas, owned by Grant Road Partners, LLC, to chase the leading time. The dynamic duo came up just short with a double-clear effort in a time of 41.75 seconds. Shane Sweetnam (IRL) and the nine-year-old gelding Ideal, owned by Sweet Oak Farm and Seabrook, LLC, also put forth a solid attempt, leaving all the jumps up in a time of 42.44 seconds for third place.The winning horse, H5 Elvaro, was purchased by the H5 stables as an eight-year-old and has been in partnership with Menezes for the past year. While he continues to prove himself as a solid mount, the Brazilian rider notes the stallion’s great mind as one of his most likeable qualities and plans to continue to challenge him with feature classes this season.“My plan is to keep doing these types of classes,” he said. “I’ll use him in the WEF a few weeks to save my older grand prix horses and week 10 where the grand prix is a CSI3* in the International Arena, I might use him for the grand prix. I think the way we are using the grass [Derby Field] at Equestrian Village is amazing for the horses. It’s difficult for the horses to be jumping in the same venue every week so I’ve been really enjoying WEF so far.”Earlier in the day, Zoe Conter (BEL) and Univers Du Vinnebus captured the $15,000 Show Jumping Hall of Fame High Amateur-Owner 1.45m Jumper Classic, presented by Lugano Diamonds. Eva Fisherman (USA) aboard Rock Street took home top prize in the Griffiths Residential High Junior Jumper 1.40m and Ella Bikoff and Huckleberry won the Medium Amateur-Owner Jumper class to wrap up an action-packed day of competition in the International Arena.Final Results: CaptiveOne Advisors 1.50m Classic CSI3*1. H5 ELVARO: 2009 KWPN stallion by Calvaro F.c. x April Love MEDUARDO MENEZES (BRA), H5 Stables: 0/0/41.082. DOUGIE DOUGLAS: 2005 Irish Sport Horse gelding by VDL Douglas x High RollerKATHERINE DINAN (USA), Grant Road Partners, LLC: 0/0/41.753. IDEAL: 2012 SWB gelding by Cardento 933 x PaskittSHANE SWEETNAM (IRL), Sweet Oak Farm and Seabrook, LLC: 0/0/42.444. FASTHER: 2010 KWPN gelding by Vigo d’Arsouilles x FarmerLILLIE KEENAN (USA), Chansonette Farm LLC: 0/0/43.845. GEORGIE D’AUVRAY EC: 2006 Belgian Warmblood gelding by Vancouver d’Auvray x Nabab de ReveKARRIE RUFER (USA), Morning Star Sporthorses, LLC: 0/0/47.966. BRIGHTON: 2006 KWPN gelding by Contender II x Quick StarTIFFANY FOSTER (CAN), Artisan Farms LLC: 0/4/40.927. OAK GROVE’S LAITH: 2011 Selle Français gelding by London x Sirene De RiverlandABDEL SAID (EGY), AB Sporthorses: 0/4/41.568. BOSTON ASK: 2008 Hanoverian gelding by Berlin x QueenJORDAN COYLE (IRL), Elan Farm: 0/4/41.589. SANGRIS BOY: 2010 SHBGB gelding by Sandro Boy x GoronaLORCAN GALLAGHER (IRL), Heathman Farm, LLC: 0/4/42.7010. CATOKI: 2009 Holsteiner gelding by Catoki x Cartello BMCLAIN WARD (USA), Marilla van Beuren, Bob Russell & McLain Ward: 0/8/41.9311. VALENTINO D’ELTE: 2009 Selle Francais gelding by Castronom Z*de Hus x WindsorVANESSA MANNIX (CAN), Vanessa Mannix: 1/82.4912. GRANDEUR WP: 2011 KWPN gelding by Whistler x BrenietaBRETTON CHAD (CAN), Stone Ridge Farms, LLC: 1/83.48 Tags: WEF, show jumping, Winter Equestrian Festival, Brighton, Eduardo Menezes, CaptiveOne Advisors 1.50m Classic CSI3*, H5 Elvaro, Tiffany Faoster, Email* Horse Sport Enews SIGN UP More from News:MARS Bromont CCI Announces Requirements For US-Based RidersThe first set of requirements to allow American athletes and support teams to enter Canada for the June 2-6 competition have been released.Canadian Eventer Jessica Phoenix Reaches the 100 CCI4*-S MarkPhoenix achieved the milestone while riding Pavarotti at the inaugural 2021 CCI4*-S at the Land Rover Kentucky Three-Day Event.Tribunal Satisfied That Kocher Made Prolonged Use of Electric SpursAs well as horse abuse, the US rider is found to have brought the sport into disrepute and committed criminal acts under Swiss law.Washington International Horse Show Returns to TryonTIEC will again provide the venue for the WIHS Oct. 26-31 with a full schedule of hunter, jumper and equitation classes.last_img read more

Vanderburgh County Current Warrants

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first_img93, of Bayonne, passed away on January 7 at Bayonne Medical Center. Antoinette worked as a secretary for many years at the Emerson Corp. in Jersey City before retiring. She was a wife to the late Donald. Antoinette is survived by her late husband’s children and a host of nieces and nephews. She was also predeceased by her parents Luigi and Anna (nee: Durso) Capodice, and her brothers Vincenzo and Michael Capodice and her sisters Filomena Vazquez and Jennie Perriera. In lieu of flowers, donations in Antoinette’s memory may be made to St. Jude’s Children’s Research Hospital. Envelopes will be provided at the funeral home. Funeral arrangements by MIGLIACCIO Funeral Home, 851 Kennedy Blvd.last_img

First Ever “Bayside Family Day” Event Set for June 22 in Ocean City

first_imgBack Bay Committee members gather on the dock to plan the inaugural Bayside Family Day event. The Ocean City Regional Chamber of Commerce and the back bay merchants in Ocean City will be hosting their first ever Bayside Family Day on Saturday, June 22, to help kick off the summer season.The event will be held at the dock and parking lot located at Second Street and Bay Avenue from 11:30 a.m. to 4 p.m. and will highlight all that the bay businesses have to offer.There will be live music from the Tidal Wave Band, food vendors, entertainment, educational demonstrations, crafters and more.The public is invited to come out for a day filled with family-friendly fun and to learn about the back bay businesses in Ocean City. Presenting sponsors for the inaugural event include Jet Drive Exchange Boat & Jet Ski Club, Ocean City Parasail, Pirate Voyages, and Totally Tubular Water Sports.last_img read more

Wish Lists Fill Santa’s Mailbox in Ocean City

first_imgBy MADDY VITALEOcean City has a direct line to Santa Claus … well, a mailbox at least, where kids may write to Saint Nick to tell him what they wish for under the tree.Santa’s Mailbox is at Ninth Street and Asbury Avenue in the downtown and its presence is a tradition that began decades ago by the retail merchants and then was passed onto Santa’s helpers — the Ocean City Regional Chamber of Commerce. “Santa’s Mailbox in Ocean City is for children from all over the region who visit Ocean City during the holiday season,” explained Michele Gillian, executive director of the Chamber of Commerce.Old-fashioned decorations and carolers in Victorian-era attire add to the downtown’s nostalgic Christmas atmosphere.Over the years, there have been some interesting requests on the kids’ Christmas wish lists, Gillian noted.“We’ve been told so many funny stories about what children would like,” she said.There are the games and toy requests that are not out of the ordinary. Kids often ask for their favorite Barbie dolls, Legos or games.But then there are these requests: Game nights at home with no fightsSpa days in New York CityTickets to concertsAs Christmas nears, more and more children and their families will be stopping by Santa’s Mailbox to slip in a letter with Christmas wishes — destination North Pole, of course.Across from City Hall, on the sidewalk next to Mark Soifer Park, is the special white mailbox with red and green trim and the words “Santa’s Mailbox” painted on it to hold the letters and children’s lists.Santa’s Mailbox is located at the corner of Ninth Street and Asbury Avenue, across from City Hall.Gillian noted that the old-fashioned letter writing offers nostalgia for some and serves as a reminder that tradition is very important in the family friendly resort.While some of the kids’ requests are humorous, there are others that warm Gillian’s heart, she said.“What is always surprising are the kind words they use with Santa and the promises to always do the best they can,” Gillian said.She then responded to a letter writer’s question: “Yes, Virginia, there is a Santa Claus in Ocean City!” For even more Christmas fun with Saint Nick, there will be photos with Santa on Saturday and Sunday, Dec. 7 and Dec. 8, from noon to 3 p.m. at the Ocean City Music Pier.The cost is $10 per photo. For more information, call 1-800-BEACH-NJ. There is also “Breakfast With Santa” at local restaurants.For more information about Ocean City and the Chamber of Commerce, visit www.oceancityvacation.com. Countdown to Christmas means it is time for children to slip their wish lists into Santa’s Mailbox.last_img read more


first_imgAs part of its drive to offer electric alternatives to conventional gas cooking ranges, Lincat (Lincoln) has added a four hotplate electric range to its Opus 700 series of equipment. “For many years, gas-powered ranges have been at the heart of commercial bakeries in this country,” says Nick McDonald, marketing and export director of Lincat.”However, current safety legislation requires that gas products be positioned under powered extraction canopies, fitted with an interlock, which automatically cuts the gas supply in the event of a power failure. These regulations can add significantly to the cost of installation.Demand from establishments of all sizes for electric-powered alternatives is therefore growing strongly. We expect our new range to meet the needs of those looking for a powerful, yet compact electric option.”last_img read more

Ash Center introduces Technology and Democracy Fellows

first_img Read Full Story The Ash Center for Democratic Governance and Innovation at Harvard Kennedy School is pleased to announce its newest cohort of Technology and Democracy Fellows — six technology and digital leaders from around the country committed to improving the health of American democracy. This year’s fellows have demonstrated a deep passion for using technology to strengthen our democracy through citizen engagement, social empowerment, and government transparency and accessibility.Beginning August 2018, the Ash Center welcomes as Technology and Democracy Fellows:Deepti Doshi, Community Partnerships Director, FacebookZach Graves, Head of Policy, Lincoln NetworkSofia Gross, Political & Non-Profit Partnerships, Public Policy, Snap Inc.Victoria McCullough, Social Impact and Public Policy, TumblrDevin Murphy, Digital Strategist, Priorities USA and Founder, DMT StrategiesJess Morales Rocketto, Political Director, National Domestic Workers AllianceUnder the direction of Archon Fung, Winthrop Laflin McCormack Professor of Citizenship and Self-Government at Harvard Kennedy School, the Technology and Democracy Fellowship and affiliated workshop series is designed to build connections between Kennedy School students and the worlds of technology, policy, and government. During the course of the academic year, fellows will undertake a number of projects. Previous projects have included research on the role of artificial intelligence in government, the development of cutting-edge tools to increase open data literacy and usage, and the creation of a digital toolkit to allow local election officials to better distribute nonpartisan election information in their communities.Technology and Democracy Fellows also design and lead a series of hands-on workshops for Harvard Kennedy School students on a broad range of technological skills and concepts. Through participation in the workshops, students gain a deeper understanding, for example, of how to effectively utilize telecommunication APIs to connect with constituents, employ design thinking for technology and public policy, quickly build and maintain a website, and track data about key communities.Harvard Kennedy School students interested in attending a Technology and Democracy workshop are encouraged to signup for the Ash Center’s “Technology and Democracy” mailing list and contact Teresa Acuña, Associate Director of the Ash Center’s Democratic Governance program, [email protected], to ensure they receive notifications about upcoming events.About the Ash Center for Democratic Governance and InnovationThe Roy and Lila Ash Center for Democratic Governance and Innovation advances excellence and innovation in governance and public policy through research, education, and public discussion. Three major programs support our mission: the Program on Democratic Governance, the Innovations in Government Program, and the Rajawali Foundation Institute for Asia. For more information, visit ash.harvard.edulast_img read more

Growers’ meeting

first_imgThe Southeastern Regional Fruit and Vegetable Conference will be Jan. 9 -11 in Savannah, Ga. Sponsored by the Georgia Fruit and Vegetable Growers Association and South Carolina Peach Conference, it offers classes and demonstrations designed to bring relevant information to the fruit and vegetable industry. “This year’s educational program is outstanding,” said Beth Bland, GFVA education program coordinator. “Featuring everything from methyl bromide updates to blackberry fundamentals for new growers, the 2009 conference offers something for everyone.”Friday and Saturday, there will be sessions for commodities like peach, vegetable, Vidalia onion, watermelon, muscadine, pecan, blueberry and strawberry. There will be sessions for organic production, food safety and roadside markets, too.Sparked by the tomato safety scare in 2008, a special food-safety forum will take place Friday and feature several speakers including Tom Stenzel, the president of United Fresh Produce Association, Reggie Brown, executive vice president of the Florida Tomato Commission, and Washington legislative representatives.Congressman Jack Kingston (R -GA) will speak Saturday morning at the general session.The conference includes a trade show with 180 booths, a spouse program and an industry roundtable to discuss issues of mutual concern to growers and suppliers.Continuing education credits for pesticide application license will be available.For more information, call (800) 453-3070 or send an e-mail to [email protected] . University of Georgialast_img read more