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A ground-based radar backscatter investigation in the percolation zone of the Greenland ice sheet

first_imgSatellite radar altimeters and scatterometers deployed over ice sheets experience backscatter from the surface and from within the snowpack, termed surface and volume backscatter respectively. In order to assess the errors in satellite altimeter measurements it is vital to know where the return is originating from in the snowpack. This return can vary spatially and temporally. Seasonal variations in the volume backscatter can be a major complicating factor in the radar return from the percolation zone. Ground-based step-frequency radar was deployed in the percolation zone of the Greenland Ice Sheet at 1945 m elevation (69 51N, 47 15W). Previous measurements in this area made by scientists from the Byrd Polar Research Centre and the University of Kansas, undertaken prior to summer melt events, have shown the strongest backscatter from ice features at around 1 m depth buried beneath the previous end-of-summer surface. In autumn 2004, radar measurements in the Ku band with bandwidths of 1 and 8 GHz were made alongside detailed stratigraphic observations within a 1 km2 site. The radar results revealed no continuous reflecting horizons in the upper 3.5 m of the firn. Shallow cores and snowpits also indicated that there were no spatially continuous stratigraphic horizons across the study site. An average electromagnetic wave velocity of 2.11 ± 0.05 × 108 m s− 1 was determined for the upper metre of the firn. Surface and volume backscatter at vertical incidence were calculated using a standard model. The contribution of the surface backscatter to the total backscatter was on average 6 dB higher than that of the volume backscatter. However, at the higher 8 GHz bandwidth the strongest return frequently originated not from the surface but from within the upper 30 cm of the snowpack, most probably from thin ice layers. At 1 GHz bandwidth these ice layers were not always resolved; their return merged with the surface return, causing it to broaden, with the peak and leading edge moving down. Modelling using density and thickness measurements from shallow cores and snowpits showed that the backscatter from these shallow, thin ice layers could be stronger than the surface return owing to constructive interference from the top and base of the layerslast_img read more

HouseSimple’s move to offer its service for free is a ‘massive mistake’

first_imgA former hybrid agency CEO has questioned the decision by HouseSimple to start offering its service to vendors for free in the hope of gaining revenue from selling them third party financial, legal and insurance services.Russell Quirk of Properganda says his experience at eMoov suggests HouseSimple will only monetise at best 20% of their free listings, and claims the company’s new model ‘smacks of desperation’.“HouseSimple were always the ones who were keen to perpetuate this  race to the bottom,” he says.“Going free like this demeans the industry by taking that race to the bottom to new lows.“If you are too cheap then you are perceived as not being a good enough service as far as the consumer is concerned, even if that may not be true.”Quirk (left) says going free in an attempt to grab market share and overtake Purplebricks and Yopa may be bold, but it’s a ‘massive mistake’.“Not only does it not resonate with the consumer, but it doesn’t make financial sense – HouseSimple have over 100 employees, are spending money on tech acquisition, and are likely to have a portal bill of £100,000 a month.”It has also been revealed that HouseSimple have been trying out their free model in the Granada TV region for several months to see if it works.“If anyone took this model to a venture capital firm now and said ‘we’re going to be free, we’re only going to monetise a fifth of our listings, take all the money from third parties and we’re going to be revenue free for six months, then  you would be laughed out of the room,” says Quirk.“It’s a misguided endeavour to do something different.”He also argues that when a vendor has ‘skin in the game’ by default they are more motivated, but when the service is free, only ‘bottom feeders’ and tyre kickers will be attracted.HouseSimple russell quirk emoov June 28, 2019Nigel LewisWhat’s your opinion? Cancel replyYou must be logged in to post a comment.Please note: This is a site for professional discussion. Comments will carry your full name and company.This site uses Akismet to reduce spam. Learn how your comment data is processed.Related articles Letting agent fined £11,500 over unlicenced rent-to-rent HMO3rd May 2021 BREAKING: Evictions paperwork must now include ‘breathing space’ scheme details30th April 2021 City dwellers most satisfied with where they live30th April 2021 Home » News » Agencies & People » HouseSimple’s move to offer its service for free is a ‘massive mistake’ previous nextAgencies & PeopleHouseSimple’s move to offer its service for free is a ‘massive mistake’Hybrid agency’s bold move to ‘go free’ and instead upsell vendors mortgages and conveyancing services has been criticised by one of its former competitors.Nigel Lewis28th June 201901,227 Viewslast_img read more

Former Rightmove rival is on a charm offensive to win back unhappy agents

first_imgRightmove could learn a thing or two from its Australian equivalent which has launched a charm offensive to ‘give back’ to its estate agency customers.The claim has been made by Oz portal operator the REA Group whose Director of Industry Relations Steve Carroll (above) has said it realised recently the game was up when agents in Australia began referring to it as a ‘necessary evil’.REA and Rightmove were competitors in the UK during the late noughties when the Australian firm briefly but unsuccessfully backed in a bid to take on Rightmove. It was eventually sold to Zoopla.Carroll, who is the Australian firm’s equivalent to Rightmove’s Miles Shipside, says it had been battling a reputation among agents for being all about ‘take, take, take’.“We had a bad name in the industry and some agents believed we were going direct to the seller and cutting out the agent, but that was 100% never our intention,” he says in a recorded video interview with Chris Watkins shared with The Negotiator (see below).AloofDuring the interview Watkins suggests that Rightmove has changed from being an agent ‘partner’ to being ‘aloof ‘ and one-sided in its relationship with agents, something Carroll says REA used to be accused of too.“It was a combination of a huge lack of trust and the fact that we were making a huge amount of money.”Consequently Carroll has been charged with ‘giving back’ to the industry which has taken the form of a free business consultancy service for Australian estate agents provided by REA, based on best practice from around the world.“Changing a perception that has been around for ten years is like trying to turn an oil tanker around,” says Carroll. “But our research shows its going in the right direction, albeit slowly.”Watch the video  September 26, 2019Nigel LewisWhat’s your opinion? Cancel replyYou must be logged in to post a comment.Please note: This is a site for professional discussion. Comments will carry your full name and company.This site uses Akismet to reduce spam. Learn how your comment data is processed.Related articles BREAKING: Evictions paperwork must now include ‘breathing space’ scheme details30th April 2021 City dwellers most satisfied with where they live30th April 2021 Hong Kong remains most expensive city to rent with London in 4th place30th April 2021 Home » News » Marketing » Former Rightmove rival is on a charm offensive to win back unhappy agents previous nextMarketingFormer Rightmove rival is on a charm offensive to win back unhappy agentsREA says it has decided to change its relationship with agents and stop the ‘take, take take’ as boss spearheading the initiative visits the UK.Nigel Lewis26th September 201901,933 Viewslast_img read more


first_imgWHATS ON YOUR MIND TODAY?Todays “READERS POLL” question is: Do you feel that the Zoning Board of Appeals should approve the request to allow a new upscale Restaurant-Bar to be located on West Franklin street?Please take time and read our newest feature articles entitled “IU WOMEN’S-MENS SWIM AND DIVING TEAMS”.Also take time to read “BIRTHDAYS, HOT JOBS” and “LOCAL SPORTS” posted in our sections.If you would like to advertise in the CCO please contact us City-County [email protected] County Observer has been serving our community for 15 years.Copyright 2015 City County Observer. All rights reserved. This material may not be published, broadcast, rewritten or redistribute.FacebookTwitterCopy LinkEmailSharelast_img read more

Final Phase of Boardwalk Reconstruction Gets Underway in Ocean City

first_imgConstruction machinery begins tearing up the Boardwalk as part of a $2.9 million makeover between 10th and 12th streets. By Donald WittkowskiTony Polcini, owner of Tony P’s House of Pie, knew that Ocean City’s Boardwalk reconstruction project would eventually reach his doorstep.Monday was that day. On an overcast morning punctuated by light rain, a chain-link fence, barriers and orange signs saying “Boardwalk closed” went up in front of his pizzeria. A giant excavator, dump trucks and construction workers wearing hard hats arrived on the scene, too.“Nobody likes it, but what can you do?” Polcini said with a shrug amid the noise of construction work getting underway just outside his business at 10th Street. “We knew it was coming. Now, it’s our turn.”The Boardwalk is being reconstructed as part of a multiyear facelift stretching from Fifth Street to 12th Street. The final phase, which began Monday, is between 10th and 12th streets. Construction is scheduled to continue until March, requiring the closure of the Boardwalk between 10th and 12th streets until then.Tony Polcini, left, the owner of Tony P’s House of Pie, and his nephew, Chris Polcini, manager of the pizzeria, plan to keep the business open during construction.Polcini, whose pizzeria has been open since 2015, watched the reconstruction project creep ever closer to his businesses as it headed down the Boardwalk over the previous two winters. The work stops during the peak summer tourism season, but resumes during the quieter fall and winter months.Businesses located within the construction zone, like Tony P’s House of Pie, will have to adjust to the Boardwalk being closed off in front of their stores. Polcini, who has a side door that gives access to his pizzeria, said he plans to remain open during the construction, as long as his customers keep coming.“It’s definitely going to impact business,” he said. “In the next couple of weeks, we’ll keep an eye on things and will decide how to go from there.”Fred M. Schiavone Construction Inc., of Malaga, N.J., the Boardwalk’s construction contractor, has promised to work with businesses to try to minimize disruptions. Carlo DeFeo, a Schiavone foreman, noted that he began warning businesses a few weeks ago by handing out fliers about the project.“We’ll all work together,” DeFeo said.Gary Pustizzi, another Schiavone foreman, stressed that the construction company will “cater to the businesses.”Carlo DeFeo, left, and Gary Pustizzi, both foremen with Fred M. Schiavone Construction Inc., intend to work with Boardwalk businesses to try to minimize disruptions during construction.With its array of retail shops, amusement parks, restaurants and other amenities, the Boardwalk is the most heavily visited attraction in town. But the myriad walkers, runners and bikers who traverse the boards each year inevitably add to the wear and tear, requiring an overhaul from time to time. The Boardwalk’s reconstruction includes not only a new top wooden deck, but also a new substructure.But the time the last phase of work wraps up in March, the heart of the Boardwalk between Fifth and 12th streets will have been given a $10 million facelift. The work between 10th and 12th streets will cost $2.9 million.Schiavone has been the contractor for four of the five phases with the project. The company was able to capitalize on last February’s mild weather to complete the redecking work between Eighth and 10th streets weeks earlier than the March 2017 deadline.The final phase between 10th and 12th streets is supposed to be completed by March 2018, but DeFeo said the city has told Schiavone that it would like to see the project finished by Presidents Day weekend in February.“A lot will depend on the weather,” DeFeo said. “You can’t always predict the weather. But we’ll do our best. We’re going to make it happen.”As the sign notes, the Boardwalk is closed between 10th and 12th streets.In the meantime, walkers, bikers and joggers using the Boardwalk will have to detour around the construction zone between 10th and 12th by switching to local streets.Assuming the construction work goes according to plan, the entire 2.5-mile Boardwalk will be open from tip to tip by late winter 2018. There will also be full access again to the row of Boardwalk shops now caught in the construction zone, like Tony P’s House of Pie.“Let’s just get the work done. We want it to finish up as soon as possible,” Polcini said.last_img read more

Wry look at rye bread

first_imgIt’s a showdown of epic proportions two heavyweight bowel-shifters shaping up for the ultimate contest. In the red corner, rye bread. And in the blue corner, laxatives. Let’s get ready to rumble!Everyone knows that whole grains are the bowel’s best friend if you’re bunged up. But are they better than commonly used laxatives? For those of us bakery geeks on tenterhooks to know, someone has embraced the unenviable task of finding out.The Journal of Nutrition reported on a study by the Institute of Biomedicine at the University of Helsinki, Finland, investigating the effects of rye bread on bowel function. A fortunate 51 constipated adults’ toilet routines were closely watched for three weeks.The results are in:l Rye bread versus white wheat breadintestinal transit time reduced by 23%l Rye bread versus laxativesintestinal transit time reduced by 41%Verdict: rye bread relieves mild constipation and improves colonic metabolism better than laxatives.And the good news does not end there. Rye bread also increased weekly defecations by 1.4 times. There were further insights into the softness of faeces and the easing of defecation, but Stop the Week knows when to read more

News story: Multiparty Talks to restore the Northern Ireland Executive

first_imgText from the multiparty talks to restore the Northern Ireland Executive is here: Talks to restore Northern Ireland Executive (PDF, 12.2KB, 2 pages) All queries should be via the communications team on 028 90 527856 or via the out of hours duty officer on 07824 834773.last_img

Nancy Gertner receives the Margaret Brent Lawyers of Achievement Award

first_imgHarvard Law School Professor of Practice Nancy Gertner has been selected as a recipient of the 2014 Margaret Brent Women Lawyers of Achievement Award, established by the ABA Commission on the Status of Women in the Profession.The award, which recognizes and celebrates the accomplishments of women lawyers who have excelled in their field and inspired other women lawyers, is presented to five recipients each year. This year’s award ceremony will take place at the ABA annual meeting in Boston on Aug.10.“The Margaret Brent Award is a marvelous tribute to the amazing Nancy Gertner and her outstanding work as a judge, teacher, advocate, mentor, and role model,” said Harvard Law School Dean Martha Minow. “Her sparkling insights, breadth of interests, rich experience, and searching intellect giving students and colleagues crucial insights reflecting deep practical knowledge and well-earned wisdom. Harvard Law School is exceptionally fortunate she is here as a vital member of our community and we toast her well-deserved recognition with this significant award.” Read Full Storylast_img read more

Ars Nova Files Lawsuit Against Comet’s Commercial Producer

first_img View Comments Related Shows Show Closed This production ended its run on Sept. 3, 2017 Denée Benton & Josh Groban(Photo courtesy of Matt Ross Public Relations)center_img Natasha, Pierre and the Great Comet of 1812 has landed on Broadway, and despite promising grosses and the highly-anticipated Great White Way debut of Josh Groban, a legal battle over billing has threatened to disrupt its orbit.Ars Nova, the non-profit off-Broadway theater that first presented the new musical in 2012, announced that it has filed suit for breach of contract against the production’s commercial producer Howard Kagan, for failing to bill the musical as “The Ars Nova production of…” the show in the Playbill. This billing was initially agreed upon in a 2012 legal document, according to the New York Times.Ars Nova is instead listed above the title as one of the producers, and is credited as the original commissioner, developer and world premiere producer as the bottom of the title page. In a statement from Artistic Director Jason Eagan and Managing Director Renee Blinkwolt, Ars Nova says the agreed upon billing enforces a narrative “that the show people are seeing on Broadway is, in its core, the show that started at Ars Nova,” and that it is “extremely valuable to Ars Nova’s past, present and future.”Commercial producers and Ars Nova had initially attempted talks in search of a compromise to settle the matter, but after negotiations had failed to settle the dispute, the Ars Nova board voted unanimously to proceed with the lawsuit, accusing Kagan of both breach of contract and fiduciary duty to the board. “We are devastated that it has come to this,” Eagan and Blinkwolt said, “but steadfast in our belief that the billing we are owed is both valuable and deserved.”Before the suit was announced, tension had already affected the relationship between Ars Nova and the Broadway production. Ars Nova leadership was barred from entering the Imperial Theatre on the night of the first preview performance. Kagan, who was to be honored at Ars Nova’s annual gala in December, has resigned from the board. Producers have also scheduled the show’s cast album to be recorded on the day of the gala, threatening the availability of the performers to appear at the event.The Great Comet is expected to open officially on November 14 at the Imperial Theatre. Despite the legal clash, the show must go on: “We all hope the spotlight can be back solely on the extraordinary artists working so hard at the Imperial as soon as possible,” the Ars Nova team said. Natasha, Pierre & the Great Comet of 1812last_img read more

The United States Provides Immediate Aerial Assistance to Support Communities and Save Lives in the wake of Tropical Depression Eta

first_imgBy United States Embassy in Guatemala November 08, 2020 The United States Government is providing immediate aerial assistance to the government of Guatemala to support communities and individuals impacted by Tropical Depression Eta. This assistance is in the form of two U.S. helicopters as well as pilot support and technical assistance for five Policia Nacional (PNC) helicopters, all of which will be able to reach communities in El Quiché, Petén, Izabal, Zacapa, Chiquimula, Alta Verapaz, Jutiapa, El Progreso, and Santa Rosa.As Ambassador William W. Popp stated: “The United States is a steadfast partner to Guatemala in confronting the destruction wrought by Tropical Depression Eta. As part of our continued work with the government of Guatemala to support those most affected by the storm, U.S. Southern Command and the U.S. Department of State’s International Law Enforcement and Narcotics (INL) Bureau have deployed helicopters and additional support to provide immediate assistance to communities and individuals who are cut off from rescue services by flooding or loss of infrastructure.”The two U.S. helicopters include a U.S. Southern Command HH-60 Blackhawk helicopter for search and rescue operations and a U.S. Southern Command CH-47 Chinook helicopter capable of delivering large volumes of critical supplies. PNC helicopters are currently providing food, water, and emergency supplies. INL and Guatemalan personnel are jointly piloting these PNC helicopters, highlighting the close and continuing partnership between our two governments to help those most in need at this critical time.Helicopter operations are already ongoing in the affected departments and will continue over the coming days.The United States again sends its condolences to those who have lost loved ones during this tragedy, and remains committed to our longstanding partnership with the people of Guatemala.last_img read more