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For several days this month, Greenland’s surface ice cover melted over a larger area than at any time in more than 30 years of satellite observations.
Nearly the entire ice cover of Greenland, from its thin, low-lying coastal edges to its two-mile-thick center, experienced some degree of melting at its surface, according to measurements from three independent satellites analyzed by NASA and university scientists.
On average in the summer, about half of the surface of Greenland’s ice sheet naturally melts. At high elevations, most of that melt water quickly refreezes in place. Near the coast, some of the melt water is retained by the ice sheet and the rest is lost to the ocean.
But this year the extent of ice melting at or near the surface jumped dramatically. According to satellite data, an estimated 97 percent of the ice sheet surface thawed at some point in mid-July.
Researchers have not yet determined whether this extensive melt event will affect the overall volume of ice loss this summer and contribute to sea level rise.
“The Greenland ice sheet is a vast area with a varied history of change. This event, combined with other natural but uncommon phenomena, such as the large calving event last week on Petermann Glacier, are part of a complex story,” said Tom Wagner, NASA’s cryosphere program manager in Washington. “Satellite observations are helping us understand how events like these may relate to one another as well as to the broader climate system.”
Son Nghiem of NASA’s Jet Propulsion Laboratory in Pasadena, Calif., was analyzing radar data from the Indian Space Research Organisation’s (ISRO) Oceansat-2 satellite last week when he noticed that most of Greenland appeared to have undergone surface melting on July 12.
Nghiem said, “This was so extraordinary that at first I questioned the result: was this real or was it due to a data error?”
Nghiem consulted with Dorothy Hall at NASA’s Goddard Space Flight Center in Greenbelt, Md. Hall studies the surface temperature of Greenland using the Moderate-resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra and Aqua satellites.
She confirmed that MODIS showed unusually high temperatures and that melt was extensive over the ice sheet surface.
Thomas Mote, a climatologist at the University of Georgia, Athens, Ga; and Marco Tedesco of City University of New York also confirmed the melt seen by Oceansat-2 and MODIS with passive-microwave satellite data from the Special Sensor Microwave Imager/Sounder on a U.S. Air Force meteorological satellite.
The melting spread quickly. Melt maps derived from the three satellites showed that on July 8, about 40 percent of the ice sheet’s surface had melted. By July 12, 97 percent had melted.
This extreme melt event coincided with an unusually strong ridge of warm air, or a heat dome, over Greenland. The ridge was one of a series that has dominated Greenland’s weather since the end of May.
“Each successive ridge has been stronger than the previous one,” said Mote.
This latest heat dome started to move over Greenland on July 8, and then parked itself over the ice sheet about three days later. By July 16, it had begun to dissipate.
Even the area around Summit Station in central Greenland, which at 2 miles above sea level is near the highest point of the ice sheet, showed signs of melting.
Such pronounced melting at Summit and across the ice sheet has not occurred since 1889, according to ice cores analyzed by Kaitlin Keegan at Dartmouth College in Hanover, N.H. A National Oceanic and Atmospheric Administration weather station at Summit confirmed air temperatures hovered above or within a degree of freezing for several hours July 11-12.
“Ice cores from Summit show that melting events of this type occur about once every 150 years on average. With the last one happening in 1889, this event is right on time,” said Lora Koenig, a Goddard glaciologist and a member of the research team analyzing the satellite data. “But if we continue to observe melting events like this in upcoming years, it will be worrisome.”
Dr. Tony Phillips works for the National Aeronautics and Space Administration.
NORTHERN CALIFORNIA – The Glenn County Sheriff’s Office is investigating the discovery of human remains at the Ord Bend Park.
Glenn County Sheriff Larry Jones said the remains were found at around 3:30 p.m. Friday by a Glenn County Public Works Department employee and a county inmate worker.
During clean up of a burn pile operation, a human skull was uncovered. Jones was notified of the situation by the supervisor of the worker on scene.
The sheriff and deputies responded and confirmed the find, also discovering additional bones. The area was declared a crime scene and the park was closed.
Detectives from the Major Crimes Unit were called to the scene. Due to the area still burning, the Ord Bend Fire Department was summoned to mist the area with water, Jones reported.
The scene was guarded through the night by members of the Sheriff’s Posse and the painstaking and laborious effort of processing the scene was started at 7 a.m. Saturday, according to Jones.
With the assistance of the Glenn County Sheriff’s Search & Rescue, dirt excavated from the scene was sifted through and additional bones were found, Jones said.
Jones said a specialist in forensic anthropology preliminarily identified the remains of that of a Caucasian female, between the ages of 35 to 45 years; however, additional forensic work must be completed.
The Glenn County Sheriff’s Office is conducting the investigation as a homicide. The process of attempting to identify the victim will now begin. Jones said the victim is classified as a Jane Doe at this time.
He said it is far to early to determine whether or not the victim died at the location the remains were found or was dumped there. It is also yet to be determined how long the remains have been there but preliminary estimates put it at several months. The cause of death also is unknown.
Jones said work was completed late Saturday afternoon at the crime scene and the park was reopened.
Additional information will be released as it becomes available, Jones said.
LAKE COUNTY, Calif. – Dozens of firefighters responded on Saturday afternoon to a fire that started along a roadside and resulted in a large spot fire that burned in a nearby vineyard.
The fire began along Westlake Road near the Nice-Lucerne Cutoff and the Rodman Slough.
By Saturday night, Cal Fire Battalion Chief Linda Green, the incident commander, estimated the fire burned a total of 35 acres, including a seven-acre hot spot that had burned near a vineyard in the Robin Hill area.
Green said full containment was expected on Sunday morning.
“We’ll be out here all night,” said Green.
She said the fire area will be mapped on Sunday morning, and the final acreage could change.
The California Highway Patrol shut down a portion of Westlake Road as well as the Nice-Lucerne Cutoff, where flames consumed blackberry bushes and vegetation on a hillside lining the roadway.
The Nice-Lucerne Cutoff was reopened at about 10 p.m. Saturday, according to radio reports.
Green said firefighters were first dispatched shortly before 4 p.m.
When she arrived, the fire was running downhill and away from an area on the side of Westlake Road where there was a pile of dumped trash, including a broken toilet.
The fire scorched a large field of grass and oak trees across the road from the Westlake Seventh-day Adventist School, moving in the direction of the Nice-Lucerne Cutoff.
Green said no structures were damaged. Early on the fire pushed toward buildings on the Lake County Land Trust Rodman Preserve property at the corner of Westlake Road and the Nice-Lucerne Cutoff.
“But then the wind pushed the fire the other way,” she said.
Northshore Fire Battalion Chief Steve Hart said firefighters worked the main part of the fire from the ground.
Nearly an hour after the fire was reported, embers from the fire were reported to have drifted and started a fire on Mackie Road at Robin Hill Drive in North Lakeport.
Lakeport Fire Chief Ken Wells confirmed that the main fire’s embers started the second fire. He estimated it burned about seven acres in and around a vineyard, where he said additional hot spots were popping up.
Air tankers and a Cal Fire helicopter that Green said was from Vina in Tehama County worked the second fire as a crowd of people watched nearby.
Wells said firefighters did some firing operations to help stop the smaller fire, and a dozer line was put around it.
He said there had been concerns that the fire has caused downed power lines in the area. A Pacific Gas & Electric technician visited the scene and it later was reported that there were no fallen lines.
Green said the fire also had gotten close to structures in the Robin Hill area. Some residents there reported the fire coming close to their homes.
The fire’s cause remained under investigation, said Green. An investigator was set to arrive at the scene Sunday morning.
Early Saturday evening, the air tankers on the fire were being made available to go to new fires that had broken out in other areas of Northern California, including the Plumas National Forest, Green said.
Some of the Cal Fire personnel released from the scene Saturday evening had to return to the North Fire, burning near Cow Mountain in Mendocino County, which also began earlier in the day. That fire had burned 150 acres by nightfall.
Local resources had been stretched with a small wildland fire in Clearlake reported not long after the Westlake incident was dispatched.
Northshore Fire Deputy Chief Pat Brown said Williams Fire sent an engine and water tender to cover the district’s Clearlake Oaks station.
Agencies that responded to the Westlake Road fire scene along with Cal Fire included the U.S. Forest Service, Northshore Fire, Lakeport Fire, Kelseyville Fire, Lake County Fire, South Lake County Fire and CHP. PG&E also sent a truck to investigate the initial report of lines down.
Green said no firefighters were injured.
Email Elizabeth Larson at
THIS STORY HAS BEEN UPDATED REGARDING ACREAGE.
NORTH COAST, Calif. – Firefighters are at work Saturday afternoon trying to contain a fire on the near Cow Mountain.
The “North Fire,” which is visible from Lake County, is located off Mill Creek Road near Cow Mountain, southeast of Ukiah.
Cal Fire spokesman Daniel Berlant told Lake County News that the fire began just before 1:30 p.m. Saturday.
“In the last couple of hours it’s grown significantly,” said Berlant.
It was reported to be 30 acres shortly after 3 p.m., rising to 150 acres and 10 percent containment about an hour later, according to Cal Fire.
Radio reports were indicating the fire was making a run up to a ridgetop.
Helicopters, air tankers and ground strike teams were being called to assist, with some engines to be positioned for structure protection, according to reports from the scene.
Additional information on the cause and firefighting effort will be posted as it becomes available.
Email Elizabeth Larson at
LAKEPORT, Calif. – The jury in the murder trial of a Lakeport man spent Friday listening to audio and watching video of his interrogations with sheriff's investigators in the hours after he is alleged to have stabbed a neighbor to death, believing wrongly that the man was a child molester.
Ivan Garcia Oliver, 34, is on trial for the death of 67-year-old Michael Dodele, who he allegedly stabbed 60 times on Nov. 20, 2007.
The fatal confrontation occurred just days after Oliver discovered that Dodele was listed on the Megan's Law sex offender registration Web site. Oliver mistakenly concluded that Dodele was a child molester, but he actually had served prison time for raping an adult female.
The defense alleges that Dodele was killed during a fight that erupted after Oliver confronted him.
Corey Paulich, a longtime Lake County Sheriff's deputy and the case's lead detective, had begun testimony late Thursday afternoon and continued on Friday morning, discussing blood evidence found in Oliver's home, the discovery of Dodele's cell phone and two knives Oliver is believed to have thrown out the window of his bathroom.
At the request of Chief Deputy District Attorney Richard Hinchcliff, Paulich removed the two knives in their plastic canisters from the bags in which they had been packaged as evidence. He said blood was found on one of the knives.
Inside a white Buick parked next to Oliver's home at the Western Hills Mobile Home Park investigators found a half-full bleach bottle with blood on the bottom of it, which had been placed behind the driver's seat, and blood-stained clothes and a blanket in the trunk.
Paulich attended Dodele's autopsy at the Napa County Sheriff-Coroner's Office a week after his death. They found a small folded blade knife in his pocket, which was closed and had no blood on it, he said.
Hinchcliff played a 13-minute audio recording of Oliver speaking to Paulich and other deputies after being taken into custody at his residence, which was across from Dodele's trailer.
At first he refused to tell them his name. Speaking quickly and frequently repeating himself, his sentences peppered with profanity, Oliver alleged that Dodele had tried to hurt his 4-year-old son. Deputies could be heard telling him to calm down.
When asked his first name, he responded, “Sunshine.”
He followed by saying, “I did it,” and finally gave his correct first name.
The video of his interview at the sheriff's office later on the day of the stabbing had Oliver pacing around the interview room, wearing a beanie and a denim coat, with no shirt underneath.
He appeared agitated, frequently got up and down, fidgeted, rocked back and forth in his chair and stepped through the handcuffs so his hands were in front of him. His right hand, which he is alleged to have injured during the stabbing, was heavily bandaged.
Deputies gave him water, and later brought him a hamburger, chips and soda, and let him smoke cigarettes.
Paulich and Deputy Brian Kenner asked Oliver if he knew he was under arrest “for what went down.”
“What are you talking about?” Oliver replied.
They pressed him on what happened with Dodele, and his accusations that Dodele touched his young son.
“You're wasting your time, man,” Oliver told investigators. He also told them they were asking him stupid questions.
Paulich and Kenner frequently came and went from the room. Oliver would sit for a time then go and knock on the door to begin speaking with them again.
At one point, with Paulich and Kenner having sat nearby in silence for some time, Oliver blurted out, “I killed a man. I killed a man. I killed a man.”
He repeated his allegation that Dodele had touched his son. “I'm a father. I reacted like any father would react.”
“How did you kill him?” Paulich asked.
Oliver didn't respond.
Another lengthy silence was punctuated by a rapid response. “It was in the blink of an eye. It was in the blink of an eye,” he said, but would offer no details on how it happened.
At another point he got angry with detectives, who he accused of “fishing.”
“Ask me a direct question,” he said, yet didn't offer straight answers when they pressed him on details of the physical assault on Dodele.
Kenner asked Oliver if he grabbed Dodele. Oliver put his head down and didn't respond.
“I just want to know what this guy did to your kid,” said Kenner.
Oliver, in the portions of the interview shown Friday, didn't tell them.
“What do you want me to say, what do you expect me to say?” he asked.
Testimony will resume at 9 a.m. Wednesday, Aug. 1.
Email Elizabeth Larson at
LAKE COUNTY, Calif. – A Lakeport man who last weekend led California Highway Patrol officers on a high speed chase before crashing into a power pole and escaping on foot has been arrested.
Dylan Eugene Waters, 26, was arrested Thursday night, according to the CHP.
He'd been sought for felony evasion and hit and run following the chase and crash on Sunday, July 22.
CHP officers had spotted Waters allegedly holding a meth pipe as he passed the site of a rollover collision on Highway 29 near Kelseyville, as Lake County News has reported.
Waters allegedly refused to stop at their command and led them on a high speed pursuit that ended on Cruickshank Road, when Waters lost control in a turn and hit a power pole, according to the CHP.
Since then, the CHP had conducted an extensive search for Waters.
At 10 p.m. Thursday CHP Officers Brendan Bach and Christopher Tuggle received an anonymous tip that Waters possibly was staying at the Lamplighter Motel, located at 14165 Lakeshore Drive in Clearlake, the agency reported.
Bach and Tuggle responded to the motel and observed Waters on the upstairs walkway, according to the report.
They directed Waters to stay where he was, but the report said he fled to a nearby room, where Tuggle and Bach made entry and ordered him to come out. Waters was arrested without further incident.
During a search of Waters, Bach and Tuggle found what they suspected to be marijuana and methamphetamine.
Waters was transported to the Lake County Jail, where he was booked on felony counts of evading a peace officer, possession of concentrated cannabis, possession of a controlled substance, and misdemeanors of obstructing or resisting a peace officer and being under the influence of a controlled substance.
Jail records indicated his bail was set at $100,000.
In a separate incident, Waters had been the driver in a fatal crash early on the morning of Tuesday, July 3, that claimed the lives of his brother, Kenneth Waters of Kelseyville, and Randy Orange of Clearlake Oaks.