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An ocean first: Underwater drone tracks CO2 in Alaska gulf

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An ocean first: Underwater drone tracks CO2 in Alaska gulf


SEWARD, Alaska — Within the chilly, uneven waters of Alaska’s Resurrection Bay, all eyes have been on the grey water, on the lookout for one factor solely.

It wasn’t a spout from humpback whales that energy via this scenic fjord, or a sea otter lazing on its again, munching a king crab.

As an alternative, everybody aboard the Nanuq, a College of Alaska Fairbanks analysis vessel, was wanting the place a 5-foot lengthy, vibrant pink underwater sea glider surfaced.

The glider — believed to be the primary configured with a big sensor to measure carbon dioxide ranges within the ocean — had simply accomplished its first in a single day mission.

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Designed to dive 3,281 toes and roam distant components of the ocean, the autonomous automobile was deployed within the Gulf of Alaska this spring to supply a deeper understanding of the ocean’s chemistry within the period of local weather change. The analysis may very well be a significant step ahead in ocean greenhouse fuel monitoring, as a result of till now, measuring CO2 concentrations — a quantifier of ocean acidification — was principally completed from ships, buoys and moorings tethered to the ocean ground.

“Ocean acidification is a course of by which people are emitting carbon dioxide into the ambiance via their actions of burning fossil fuels and altering land use,” mentioned Andrew McDonnell, an oceanographer with the Faculty of Fisheries and Ocean Sciences on the College of Alaska Fairbanks.

Oceans have completed people an enormous favor by taking in among the C02. In any other case, there can be far more within the ambiance, trapping the solar’s warmth and warming the Earth.

An underwater glider bobbing within the Gulf of Alaska. The glider was fitted with particular sensors to check ocean acidification.
AP Photograph/Mark Thiessen

“However the issue is now that the ocean is altering its chemistry due to this uptake,” mentioned Claudine Hauri, an oceanographer with the Worldwide Arctic Analysis Middle on the college.

The big quantity of information collected is getting used to check ocean acidification that may hurt and kill sure marine life.

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Rising acidity of the oceans is affecting some marine organisms that construct shells. This course of may kill or make an organism extra vulnerable to predators.

Over a number of weeks this spring, Hauri and McDonnell, who’re married, labored with engineers from Cyprus Subsea Consulting and Providers, which offered the underwater glider, and 4H-Jena, a German firm that offered the sensor inserted into the drone.

Most days, researchers took the glider farther and farther into Resurrection Bay from the coastal group of Seward to conduct exams.

This May 4, 2022, photo shows an underwater glider being pulled apart on the University of Alaska Fairbanks research vessel Nanuq in the Gulf of Alaska to allow a sensor inside to be swapped out.
An underwater glider is being pulled aside on the College of Alaska Fairbanks analysis vessel Nanuq within the Gulf of Alaska to permit a sensor inside to be swapped out.
AP Photograph/Mark Thiessen

After its first nighttime mission, a crew member noticed it bobbing within the water, and the Nanuq — the Inupiat phrase for polar bear — backed as much as let folks pull the 130-pound glider onto the ship. Then the sensor was faraway from the drone and rushed into the ship’s cabin to add its information.

Consider the foot-tall sensor with a diameter of 6 inches as a laboratory in a tube, with pumps, valves and membranes shifting to separate the fuel from seawater. It analyzes CO2 and it logs and shops the information inside a temperature-controlled system. Many of those sensor elements use battery energy.

Because it’s the business normal, the sensor is similar as discovered on any ship or lab working with CO2 measurements.

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Hauri mentioned utilizing this was “an enormous step to have the ability to accommodate such an enormous and energy hungry sensor, in order that’s particular about this undertaking.”

“I feel she is without doubt one of the first individuals to truly make the most of [gliders] to measure CO2 straight, in order that’s very, very thrilling,” mentioned Richard Feely, the Nationwide Oceanic and Atmospheric Administration’s senior scientist on the company’s Pacific Marine Environmental Laboratory in Seattle. He mentioned Hauri was a graduate scholar in 2007 when she accompanied him on the primary acidification cruise he ever led.

The problem, Feely mentioned, is to make the measurements on a glider with the identical diploma of accuracy and precision as exams on board ships.

“We have to get confidence in our measurements and confidence in our fashions if we’re going to make vital scientific statements about how the oceans are altering over time and the way it’s going to impression our vital financial methods which might be depending on the meals from the ocean,” he mentioned, noting that acidification impacts are already seen within the Pacific Northwest on oysters, Dungeness crabs and different species.

Researchers in Canada had beforehand connected a smaller, prototype CO2 sensor to an underwater drone within the Labrador Sea however discovered it didn’t but meet the targets for ocean acidification observations.

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“The exams confirmed that the glider sensor labored in a remote-harsh setting however wanted extra improvement,” Nicolai von Oppeln-Bronikowski, the Glider Program Supervisor with the Ocean Frontier Institute at Memorial College of Newfoundland, mentioned in an e mail.

The 2 groups are “simply utilizing two several types of sensors to resolve the identical challenge, and it’s all the time good to have two totally different choices,” Hauri mentioned.

There is no such thing as a GPS unit contained in the underwater autonomous drone. As an alternative, after being programmed, it heads out by itself to cruise the ocean in accordance with the navigation instructions — realizing how far to go down within the water column, when to pattern, and when to floor and ship a locator sign so it may be retrieved.

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Because the drone exams have been underway, the US analysis vessel Sikuliaq, owned by the Nationwide Science Basis and operated by the college, performed its personal two-week mission within the gulf to take carbon and pH samples as a part of ongoing work every spring, summer time and fall.

These strategies are restricted to amassing samples from a hard and fast level whereas the glider will be capable of roam all around the ocean and supply researchers with a wealth of information on the ocean’s chemical make-up.

The imaginative and prescient is to in the future have a fleet of robotic gliders working in oceans throughout the globe, offering a real-time glimpse of present circumstances and a strategy to higher predict the longer term.

“We are able to … perceive far more about what’s occurring within the ocean than we’ve got been earlier than,” McDonnell mentioned.

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Alaska

Alaska legislators, citing some citizen complaints, investigate management of 2024 election

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Alaska legislators, citing some citizen complaints, investigate management of 2024 election


Alaska’s elections chief defended her division’s management of the 2024 elections at a legislative hearing last week, but she acknowledged that logistical challenges created problems for some voters.

Carol Beecher, director of the Division of Elections, reviewed the operations during a more than two-hour hearing of the state House Judiciary Committee. She fielded questions from the committee’s chair, Rep. Sarah Vance, R-Homer, and other Republicans about election security and possible fraud, and she answered questions from Democrats about problems that led to rural precincts being unstaffed or understaffed, which presented obstacles to voters there.

Vance said she did not intend to cast blame, but that she hoped the hearing would lead to more public trust in the election process.

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“The purpose of this meeting is to discuss the process of the 2024 election, not the results. It’s not about the outcomes, but about making sure that every legal vote gets counted in a timely manner, and asking what improvements can be made in the process,” she said.

“A lot of the public has reached out to me and expressed a lot of frustration and concern around a lot of the activities of this election,” she said. “So this is an opportunity for us to have a conversation with the director of elections and the public so that we can gain an understanding about what happened and how the actions that we can take in the future.”

Beecher responded to Republican committee members’ queries about safeguards against fraud and the possibility that non-citizens are casting votes.

“We often get asked about U.S. citizenship as regards elections, and we are only required and only allowed to have the person certify and affirm on the forms that they are a citizen, and that is sufficient,” Beecher said. “We do not do investigations into them based on citizenship questions. If there was a question about citizenship that was brought to our attention, we may defer that to the department of law.”

Residents are eligible to vote if they are a citizen of the United States, age 18 years or older and have been registered in the state and their applicable House district for at least 30 days prior to the election. Eligible Alaskans are automatically registered to vote when they obtain their state driver’s licenses or apply for Alaska Permanent Fund dividends.

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Beecher said the division investigated and found no evidence of non-U.S. citizens being registered through the PFD system. “This is not happening where somebody is marking that they are not a citizen and are receiving a voter registration card,” she said.

Vance said many Alaskans remain worried, nonetheless, about non-citizens casting votes. “I think people are wanting a stronger position regarding the ability to verify citizenship for the people wanting to vote,” she said. “So can the division take action to verify citizenship on its own, or does it need statutory authority?” Beecher confirmed that the division does not have the authority to verify citizenship.

Tom Flynn, a state attorney, advised caution in response to Vance’s suggestion.

“We should be also wary of the limits that the National Voter Registration Act and its interpretation can place on citizenship checks and the federal voting form requirements,” said Flynn, who is the state’s chief assistant attorney general. The National Registration Act of 1993 prohibits states from confirming citizenship status.

In response to questions about opportunities for fraud through mail-in absentee voting, Beecher said the state relies on the information voters provide. “If an individual applied for an absentee ballot, and all of the information was in our voter registration system that you were eligible to vote, etc, and you had a legitimate address to send it to, then you would be mailed an absentee ballot,” she said.

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Each ballot is checked for appropriate voter identification information. Ballots are coded by district, and then given another review by another group of election workers, including an observer, she said. “The observer has the opportunity to challenge that ballot. If they challenge a ballot, a challenge is sent to me, and then I review the information based on what the challenge is, and I’ll often confer with [the Department of] Law,” she said.

Alaska has notably low voter turnout, but also a steadily changing voter roll as it’s one of the most transient populations in the nation, with voters moving in and out of state.

Alaska has a mix of districts with ballot scanners and hand count precincts, usually in rural areas with a small number of voters, as well as voting tablets for those with disabilities. Ballot scanners record ballot information, which is encrypted before being sent to a central server in Juneau. All voting machines are tested ahead of time, Beecher said. For hand count precincts, ballots are tallied up and poll workers call in the results to the division’s regional offices, she said.

“We had about 15 people on phones to take the calls that evening, and the phone starts ringing immediately, and all of the different precincts are calling in,” she said. Division workers also helped poll workers properly read rank choice ballots, she said. “And so there’s a lot of discussion that can happen on that phone call. It’s not necessarily just as simple as going through the list.”

The division of elections has 35 permanent staff who are sworn to remain politically impartial and who work in five district offices to administer the elections in the 60 legislative districts.

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Beecher said the division reviews its processes, systems of communications, challenges and improvements needed in each election cycle. “The division has lists and lists and checklists and handbooks, and is very good and diligent about making sure that process and procedures are lined out and checked,” she said.

Rural Alaska problems

Administering elections in rural communities is an ongoing challenge in Alaska. Beecher answered questions on several incidents, including voters in Southwest communities of Dillingham, King Salmon and Aniak receiving the wrong ballots that had to be corrected. In August, a mail bag containing a voted ballot and primary election materials from the village of Old Harbor on Kodiak Island was found on the side of the road, near the Ted Stevens Anchorage International Airport.

“We don’t have control over the materials when they are in the custody of the post office, in this case, it was one of their subcontractor carriers,” she said. “We weren’t told [what happened] specifically, but I know that the post office has processes when mail is lost like that, and they do deploy their processes with that contractor.”

Vance said the incident was serious.

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“I hope the state is pursuing further accountability, because this is a matter of public trust that something so important was dropped out of the truck along the roadside,” she said. “It looks extremely negligent.”

Beecher said training and retaining poll workers is essential for running elections smoothly. “So one of the challenges that we run into, and frankly, it’s not just in our rural areas, the turnover of poll workers is a reality,” Beecher said. The division conducts in-person poll worker trainings, and provides support with video tutorials and by phone.

This year, in the western Alaska community of Wales, the designated poll worker was not available and so the division of elections located a school teacher late on election day to administer the polls. “It was not ideal,” she said, but they had trained back up poll workers ready to deploy this year.

“We had trained people who were situated at all the various hubs, so Anchorage, Fairbanks, Utgiagvik, Nome, and they were trained and ready to be deployed to some of these polls should we run into a situation where we didn’t have poll workers on the day,” she said. “So we weren’t able to get them to Wales only because of the weather. They were there at the airport ready to head out there. But we did send them to Egegik, and there were polls there.”

Responding to Rep. Cliff Groh, D-Anchorage, Beecher said one thing she would have done better would have been to ensure that the official election pamphlet was more carefully reviewed and checked for errors.

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A notable error in the published pamphlet was the misidentification of Republican House candidate Mia Costello as a Democrat.

“Secondly, I would have made sure that our advertisement that had a name in it would not have used names,” she said, referring to a rank choice voting education materials giving examples with fake elector names, including “Odem Harris” which Republicans pointed out filled in a first choice vote for “Harris,” also the Democratic presidential candidate.

“And thirdly, I wish that I had done a better job of anticipating the level of communication that was expected and needed,” Beecher said.

In response to a question about the ballot measure seeking to overturn the ranked-choice system, Beecher said there was no evidence of fraud. The measure failed by just 743 votes.

“We did not see something that would indicate that anything untoward happened with ballots. That simply was not something that was seen in the results,” she said.

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Beecher suggested some improvements for legislators to consider this next term. Those included an expansion of mail-only precincts, paid postage for ballots and a requirement that mail-in ballots be sent earlier rather than postmarked by Election Day. “On ballot counting, doing it sooner,” she said. “So potentially changing the time frames of receiving absentee ballots to having everything have to be received by Election Day.” The latter would be a big change for Alaska, which has long counted mail-in ballots as long as they are postmarked by Election Day.

Some changes may be warranted, she said.

“We are not perfect. We know that,” she said. “And we really look to doing better, and [are] wanting it to be better, and that people are confident that it is managed in a way that they have trust in the integrity of the process.”

The next Legislative session starts on Jan. 21. Under the new bipartisan majority, Rep. Andrew Gray, D-Anchorage, is set to chair the committee in the coming session.

Originally published by the Alaska Beacon, an independent, nonpartisan news organization that covers Alaska state government.

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Alaska Jewish community prepares to celebrate start of Hanukkah

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Alaska Jewish community prepares to celebrate start of Hanukkah


ANCHORAGE, Alaska (KTUU) – Rabbi Josef Greenberg and Esty Greenberg of Alaska Jewish Campus, joined Alaska’s News Source to explain more about Hanukkah and how Anchorage can celebrate.

They will be hosting Chanukah, The Festival of Lights for “Cirque De Hanukkah,” on Sunday, Dec. 29, at 5 p.m., at the Egan Center.

See a spelling or grammar error? Report it to web@ktuu.com

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A Christmas & Hannukah mix of winter weather

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A Christmas & Hannukah mix of winter weather


ANCHORAGE, Alaska (KTUU) – A variety of winter weather will move through Alaska as we go through Christmas Day and the first night of Hannukah.

A high wind warning started Christmas Eve for Ketchikan, Sitka, and surrounding locations for southeast winds 30-40, gusting to 60 miles per hour. Warnings for the combination of strong winds and snow go to the west coast, western Brooks Range, and Bering Strait.

Anchorage is seeing a low-snow Christmas. December usually sees 18 inches of snow throughout the month. December 2024 has only garnered a paltry 1.5 inches. Snow depth in the city is 7 inches, even though we have seen over 28 inches for the season. A rain-snow mix is likely to hit Prince William Sound, mostly in the form of rain.

A cool-down will start in the interior tomorrow, and that colder air will slip southward. By Friday, the southcentral region will see the chances of snow increase as the temperatures decrease.

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The hot spot for Alaska on Christmas Eve was Sitka with 48 degrees. The coldest spot was Atqasuk with 23 degrees below zero.

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