The chemical breakdown of marine derived reactive nitrogen transported to the land as seabird guano represents a significant source of ammonia (NH3) in areas far from other NH3 sources. Measurements made at tropical and temperate seabird colonies indicate substantial NH3 emissions, with emission rates larger than many anthropogenic point sources. However, several studies indicate that thermodynamic processes limit the amount of NH3 emitted from guano, suggesting that the percentage of guano volatilizing as NH3 may be considerably lower in colder climates. This study undertook high resolution temporal ammonia measurements in the field and coupled results with modelling to estimate NH3 emissions at a temperate puffin colony and two sub-polar penguin colonies (Signy Island, South Orkney Islands and Bird Island, South Georgia) during the breeding season. These emission rates are then compared with NH3 volatilization rates from other climates. Ammonia emissions were calculated using a Lagrangian atmospheric dispersion model, resulting in mean emissions of 5 μg m-2 s-1 at the Isle of May, 12 μg m-2 s-1 at Signy Island and 9 μg m-2 s-1 at Bird Island. The estimated percentage of total guano nitrogen volatilized was 5% on the Isle of May, 3% on Signy and 2% on Bird Island. These values are much smaller than the percentage of guano nitrogen volatilized in tropical contexts (31-65%). The study confirmed temperature, wind speed and water availability have a significant influence on the magnitude of NH3 emissions, which has implications for reactive nitrogen in both modern remote regions and pre-industrial atmospheric composition and ecosystem interactions.
After years and years of anticipation, delays, and a variety of obstacles, the long-awaited Grateful Dead documentary Long Strange Trip will be made available to the public on May 26th via Amazon Prime Video. The film, produced by legendary filmmaker Martin Scorsese and directed by Amir Bar-Lev, made its debut at the acclaimed Sundance Film Festival earlier this year to glowing reviews. Running nearly four hours in length, this sprawling look at the history of one of the most influential bands in American music history features in-depth interviews from roadies, band members and extended Dead family members, along with incredible unseen behind-the-scenes and live footage spanning from the band members’ childhood through the various rungs of their climb to success.Long Awaited Grateful Dead Documentary Will Soon Be Available On AmazonEarlier this week, Entertainment Weekly posted an exclusive clip from the movie, which features interspersed video interviews of Garcia (from the ’90s) and bassist Phil Lesh (in the present day) talking about the origin of the band’s name. As they explain in the clip, the band had been using the name The Warlocks, but after discovering another group with that name, they had to pick a new moniker. While brainstorming ideas, Jerry opened a dictionary to a random page, and written on the page, nestled in the small print, were the words “Grateful Dead.” You can check out the clip below, via EW:The movie is broken into six distinct parts, touching on Jerry Garcia’s well documented history of drug addiction, the complications of the band’s increased popularity in the 80s and the unique community that grew an unwieldy size by the early 90s. While the film’s scope is wider than any film about the band to date, it is less concerned with displaying a detailed chronology of The Grateful Dead and more focused on conveying the bands adventurous and idiosyncratic essence–how their music manifested as a truly communal artistic effort, and garnered a following closer to that of a religion than that of a rock and roll band. As clips, clues, and reviews continue to surface ahead of its public release, our level of excitement could not be higher for the long-awaited Long Strange Trip this May![h/t – Entertainment Weekly]
The Chenango County Sheriff’s Office says Kelly Gillet was charged with murder in the 2nd degree after officers responded to a report of shots fired on Gould Drive in the village of Sherburne, N.Y. As of Tuesday, Gillet is being held at the Chenango County Correctional Facility. The incident remains under investigation. Authorities noted Gillet had no injuries. SHERBURNE, N.Y. (WBNG) — Authorities in Chenango County arrested a Johnson City woman for murder Monday morning. Deputies found John Ryan of Sherburne dead at the scene. They recovered a shotgun from the residence.
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Comment Saliba had considered a late offer from Tottenham (Getty Images)The report claims that Arsenal will now pay an initial €33m (£29.8m) fee plus a further €7m (£6.3m) in add-ons.AdvertisementAdvertisementArsenal are also understood to have agreed to a 20 per cent sell-on clause with Saint-Etienne.Saliba will sign a five-year contract with Arsenal but will remain on loan at Saint-Etienne for the upcoming season.More: FootballRio Ferdinand urges Ole Gunnar Solskjaer to drop Manchester United starChelsea defender Fikayo Tomori reveals why he made U-turn over transfer deadline day moveMikel Arteta rates Thomas Partey’s chances of making his Arsenal debut vs Man CitySaliba made his first-team debut for Saint-Etienne in September 2018 and made 19 appearances for the French club last season.The centre-back is regarded as one of the most highly rated young defenders in France and has also represented his national side from under-16 to under-20 level.More: Arsenal FCArsenal flop Denis Suarez delivers verdict on Thomas Partey and Lucas Torreira movesThomas Partey debut? Ian Wright picks his Arsenal starting XI vs Manchester CityArsene Wenger explains why Mikel Arteta is ‘lucky’ to be managing Arsenal Advertisement Advertisement William Saliba is reportedly set to join Arsenal (Getty Images)William Saliba has chosen to join Arsenal after rejecting a late approach from Tottenham, according to reports in France.The Gunners had been in the driving seat to sign the 18-year-old and had hoped to secure a €30 million (£27m) deal with Saint-Etienne.But last week, Tottenham submitted an improved bid to Saint-Etienne and offered better contract terms to the defender.However, Peuple-Vert, a French outlet based in Saint-Etienne, claim that Saliba has opted to join Arsenal after the Gunners revised their original offer.ADVERTISEMENT Metro Sport ReporterWednesday 17 Jul 2019 12:54 pmShare this article via facebookShare this article via twitterShare this article via messengerShare this with Share this article via emailShare this article via flipboardCopy link4.5kShares William Saliba to join Arsenal after rejecting late Tottenham offer