The NASA P-3 on the Wallops ramp for ground calibrations

The tail of the P-3 reflects the morning sky

The P-3 on the Wallops ramp

John heading into the P-3

Craig levels the ground GPS antenna tripod for aircraft GPS antenna measurements

Craig and John assemble the ground GPS antenna

Kyle and Billy make their way up to the top of the P-3

Kyle and Billy make their way up to the top of the P-3

Coordinating GPS antenna measurement

Kyle holds the retroreflector just on the aircraft GPS antenna

Jim and Alexey adjust the ATM narrow-scan during one of the test flights

View down Wallops Island during the GPS test flight

Sunset over Assateague Island

A couple Sika deer wander around Assateague Island

Sunset over Assateague Island

Sunset over Assateague Island

Sunset over Assateague Island

My car out on the Assateague Island beach

Orion over Wallops Island rocket launching facility

Wallops to Thule transit flight line

The NASA P-3 preparing for tow out at Wallops

NASA 426 being towed out of the Wallops hangar

NASA 426 being towed out of the Wallops hangar

NASA 426 on the Wallops ramp, pre-flight

The Wallops ground crew

Sunrise over Chincoteague

Pilot-in-command Mike Singer prepares NASA 426 for the transit flight north

Sunrise along the P-3

View of Boston from the transit north

A snow-covered northern Baffin Island

Crossing a sea ice covered Baffin Bay

Pituffik glacier, just south of Thule Air Base

The NASA P-3 arrives in Thule for the spring 2019 campaign

ICESat-2 Devon flight line

View just after takeoff from Thule, NW over Saunders Island

A large sea ice lead sea ice in Lady Ann Strait, sea ice and clouds forming from the open water

Waves ripple through thin strips of grease ice

A medial moraine on Devon Icecap

Sea ice and the southern edge of Devon Island along Lancaster Sound

Snow filled meltwater channels along flowlines

A glacier along the edge of Devon Icecap

A crack in the flowlines of a Devon Icecap glacier

Terrain along the edge of Devon Icecap

Plateaus and valleys along southern Devon Icecap

Plateaus and valleys along southern Devon Icecap

Frozen & snow-covered meltwater channels

Bare ice along the edge of Devon Icecap

Striations in the snow due to wind along the ice surface

A somewhat regular series of canyons along the northern edge of Devon Island

Snow dunes on Devon Icecap

Devon Icecap

Sea ice and the southern edge of Devon Island along Lancaster Sound

Reflections of the mountain in the leads

Two glaciers meet on Devon Island

A glacier winds its way down a valley towards the sea

Glacier flowlines on Devon Island

Two glaciers meet just before their terminus in the distance

Zachariae - 79N flight line

Overflying Harald Moltke Glacier, just after takeoff

View out across the Greenland ice sheet near the divide

Icebergs frozen in place by fast ice on lower Zachariae Glacier

View west from my seat on the P-3 of Lambert Land

Snow-filled meltwater channels on 79N glacier

Large "waves" in the ice on upper 79N

Flying through mountains just south of Zachariae Glacier

Zachariae Isstrom flows around a nunatak

Crevasses on upper 79N

Refrozen meltwater pools

Edge of a Glacier just south of Zachariae Isstrom

Close-up of ice & sediment layers

Mountains in King Frederick VIII Land

Mountains and frozen meltwater south of Zachariae Isstrom

Mountains and frozen meltwater south of Zachariae Isstrom

Looking down lower Zachariae Isstrom

Crevasses on 79N glacier

Flowlines on Zachariae Isstrom

Meltwater channels and lakes in southern Crownprince Christian Land

Meltwater channels and lakes in southern Crownprince Christian Land

Ice and sediment layers

Two muskoxen in southern Crownprince Christian Land

Two muskoxen in southern Crownprince Christian Land

An interesting ice feature along the margin of 79N

Zigzag East flight line

Interesting terrain in Peary Land

View south towards upper Independence Fjord

Rolling hills full of step-like contour lines in Melville Land

The flaw lead on the edge of Melville Land

A large linear lead in the sea ice, with young nilas growing in it

Consolidated pack ice along the beginning of the line in Fram Strait

A lead and some finger-rafted snow free sea ice amongst older floes

Nilas, growing thicker as you look right, in a lead

A set of ice floes surrounded by young ice in a lead

A close-up of finger-rafting in white nilas. Pressure ripples can be seen on the left just behind it.

A lead in the sea ice north of Greenland

The consolidated pack ice becomes increasingly ridged and older as we near the northern coast of Greenland

Looking up Harmsworth Glacier in Gertrund Rask Land as we turn back north for the third science line

Thick, consolidated pack ice, held fast to the northern Greenland coast

The transition from fast to pack ice north of Greenland, Cape Morris Jesup in the distance

A lead in the pack ice north of Greenland

Thin dark nilas, likely covered in frost flowers and rafted, thicker white nilas

Close-up of a sea ice pressure ridge

A lead in the sea ice full of ridges and rafting

Snow-covered pack ice north of Greenland

Sea ice leads in the Nares Strait, Ellesmere Island in the background

A sea ice lead full of grease ice in the Nares Strait, Ellesmere Island in the background

Individual, ridged pans of ice in Nares Strait

Sea ice and leads in the Nares Strait; Ellesmere Island in the background

Sea ice and leads in the Nares Strait; Ellesmere Island in the background

Sea ice leads full of grease ice windrows in the Nares Strait; Ellesmere Island in the background as we climb out of the line

The northern edge of Hiawatha Glacier/crater

Frozen melt pools along the northern edge of Hiawatha Glacier/crater

A close-up of the eastern edge of Hiawatha glacier/crater

A close-up of the eastern edge of Hiawatha glacier/crater

A close-up of the eastern edge of Hiawatha glacier/crater

Musk oxen on the way to 12-SWS

Musk oxen on the way to 12-SWS

Icebergs held fast in the sea ice in Wolstenholme Fjord

Knud Rasmussen Glacier from 12-SWS

Three glaciers all terminating in Wolstenholme Fjord, left to right: Chamberlin Brae, Knud Rasmussen and Harald Moltke

Eugenia enjoying the view down Wolstenholme Fjord

One of the old native Greenlandic sod homes near Dundas Village

Eugenia in the sod house

Abandoned Greenlandic sod house. The Arctic entry is on the left.

Remnants of an old Greenlandic sod house, with sea ice and icebergs in the distance

Teja walking around the abandoned sod houses

Two ring seals out on the sea ice in front of Saunders Island

A seal on the sea ice in front of an iceberg and the opposite shore of Wolstenholme Fjord

Eugenia climbing down into the tidal cracks of the sea ice near Dundas

Eugenia testing out the puddle on the ice from tidal flooding

Teja testing out the sea ice tidal pool

A tidal pool on the shorefast sea ice

Fish and meat drying racks near on Dundas

A sea ice "ice shove" along the shore, with icebergs and glaciers in the distance

ICESat-2 Arctic Ocean #1

Large sea ice floes near the southern end of our racetrack

A large sea ice ridge with deep snow drifts off one side

A lead covered by somewhat thin sea ice

Meighen Island in the distance, surrounded by sea ice

A multi-year sea ice floe

The 2019 team photo!

North Bed Gap 01 flight line

The NASA P-3 on the Thule ramp

Snow-filled crevasses on upper Ryder glacier

Looking south across the Greenland ice sheet from upper Ostenfeld Glacier

Looking down Ostenfeld Glacier

Snow dunes and barchans inland from Academy Glacier

The view east towards Crownprince Christian Land near the southern end of our line

A close-up of the Crownprince Christian Land from the west

Mylius Erichsen Land from the west

Looking down Ryder Glacier

A small ice lobe in Warming Land

A frozen meltwater pond in Warming Land

Snow-covered terrain in Warming Land

A frozen braided-river valley in Warming Land

Looking out down distant canyons in Warming Land

About to cross over the edge of Steensby Glacier

The western shear margin along Steensby Glacier

Frozen meltwater ponds, polygonal cracks and glacier ice in Nyboe Land

The edge of the Greenland ice sheet in Nyboe Land

A glory around the shadow of the P-3 in the clouds below us

A CAMBOT "zoomed in" shot of the Kee Bird aircraft we overflew

Snow-filled surface striations show the ice sheet used to extend further into Inglefield Land

The edge of the Hiawatha Glacier in Inglefield Land

The edge of the Hiawatha Glacier in Inglefield Land

Northeast Grid 05 Prime flight line

Matt explains the ATM system to the base commander and her team

The base commander and her team with Joe and Eugenia

A camp on the ice, complete with sled dogs, in Inglefield Fjord

Icebergs in upper Inglefield Fjord

Close-up of an iceberg in Inglefield Fjord

Farquhar Glacier in the distance and icebergs from Tracy Glacier on the right

Crevasses on upper Heilprin Glacier

John monitors the MCoRDS radar during the overflight of a survey line

Crevasses as we cross the Northeast Greenland Ice Stream

Nunataks and mountains in King Christian X Land

Nunataks and mountains in King Christian X Land

Nunataks and mountains in King Christian X Land

Nunataks and mountains in King Christian X Land

Nunataks and mountains in King Christian X Land

Nunataks and mountains in King Christian X Land

The NASA P-3 in Kangerlussuaq, on a divert from Thule due to bad weather

The Aurora over the Kanger airport

The Aurora over a building in Kanger and the Watson River

The Aurora reflecting off the Watson River

The Aurora reflecting off the Watson River

The Aurora over Black Ridge

The Aurora over Black Ridge and part of Kangerlussuaq

ICESat-2 Arctic Ocean #2 (racetrack) flight line

The NASA P-3 on the ramp, just outside hangar eight

Northern Ellesmere Island and where the fast ice meets the ice pack

A CAMBOT image of sea ice leads near 86N

Refrozen sea ice leads and ice floes

A refrozen sea ice lead with small floes and in it, drifted snow along the left edge

Jim gives Ed an overview of the ATM wide-scan system

Nilas covered sea ice lead among ridged first-year and multi-year sea ice

An interesting group of sea ice leads

A partially refrozen sea ice lead amongst ridged sea ice floes

An area of heavily ridged sea ice

A CAMBOT image of sea ice leads and floes

A lead full of sea ice rubble

The Petersen Ice Shelf on northern Ellesmere Island

The Serson Ice Shelf on the Wooton Peninsula

Upper d'Ilberville Glacier

A small Piedmont glacier near Eugenia Glacier

Eugenie Glacier

Sea ice floes in Nares Strait with Blanche Peninsula in the distance

Kyle starting off the hike up Mount Dundas

It's quite a daunting looking hike from the bottom...

This is the average incline of the hike - some spots are steeper

Up at the top of the slope, you encounter the sheer wall of the basalt top

Here is the rope used to climb the final stretch

Kyle at the large cairn on top of Dundas

Myself at the large cairn on top of Dundas, in my massive "bear suit" coveralls

Go IceBridge!

Kyle with the OIB sticker on Dundas

Kyle with NASA in rocks

Me with NASA in rocks

A Harbor seal(?) near a hole on the sea ice just west of Dundas

A ring seal on the sea ice near its hole along a crack just west of Dundas

Icebergs trapped in the fast ice and Saunders Island

The fertility statue on the western edge of Dundas

Kyle on the western edge of Dundas, overlooking North Star Bay

Kyle on the western edge of Dundas, overlooking North Star Bay

Kyle on the western edge of Dundas, overlooking North Star Bay

Kyle overlooking a sea ice & iceberg filled Wolstenholme Fjord

Myself on the western edge of Dundas, overlooking North Star Bay

Adventure is out there!

Thumbs up for this view!

Enjoying the view from the top of Dundas

These Arctic Fox prints go right over the edge!

Kyle enjoying the view across a sea ice filled North Star Bay

We find another seal just out of his hole on the ice!

We find a gyrfalcon on the southern edge of Dundas' cliffs

Another gyrfalcon spots us taking photos

The gyrfalcon overlooking Thule and Dundas Village

The moon rising over the top of Dundas

Seems NASA Airborne Sciences has been up here before too

The view across Wolstenholme Fjord from Dundas

The view east from Mount Dundas across Dundas Village and North Mountain

Kyle headed back down the rope

Kyle headed back down the rope

My view from halfway down the trail

Looking north from the trail down...

Looking back up the trail from the bottom

North Ellesmere 01 flight line

Billy checking out the hydraulics after takeoff

Billy, makin' sure all is good post-takeoff!

Glacial striations across Inglefield Land

sea ice floes in the Nares Strait

Looking out across the sea ice of Antoinette Bay

Looking up Antoinette Glacier

A small glacier just west of Antoinette Glacier

Looking north across the northern edge of the Agassiz Icecap

An upper tributary of Joliffe Glacier

A small glacier east of Agassiz Icecap

Wind-sculpted edges of a thick snow layer east of Agassiz Icecap

Looking down a glacier on western Agassiz Icecap

Snow covered terrain just south of Greely Fiord

The calving front of Antoinette Glacier

Frozen meltwater channels on lower Antoinette Glacier

The view west from Upper Antoinette Glacier

The terrain in the middle of the Agassiz Icecap

Snow-filled meltwater channels on Glacier 259

Tidewater cracks along the edge of sea ice below Glacier 259

Vertical ridges in the western cliffs along lower John Richardson Glacier

A small sidelobe of upper John Richardson Glacier

Solifluction on the north side of Antoinette Bay

Close-up of the calving front of d'Ilberville Glacier

Crevasses along the edge of d'Ilberville Glacier

Looking down d'Ilberville Glacier, frozen meltwater channels on the surface

A sinuous frozen meltwater channel on lower Dobbin Glacier

The calving front of Dobbin Glacier

Topographically caused crevasses along a tributary of Eugenie Glacier

Crevasses on Canon Glacier

Crevasses on Canon Glacier

North Central Gap 01 IS-2 flight line

Alexey below the decks, coordinating with Matt during ATM repairs

Alexey troubleshooting the ATM mid-flight

Alexey, Jim and Matt, discussing ATM

The view across much of the center of Greenland today

Frozen melt-ponds on the surface of Zachariae Isstrom

Crevasses and icebergs at the calving front of Zachariae Isstrom

Crevasses spreading around a small peninsula on Zachariae Isstrom

Melt ponds over Lambert Land

Close-up of a melt pond in Lambert Land

Four Musk ox in Lambert Land

Two comma-shaped frozen melt ponds on 79N glacier

Ed enjoying the view out the window

Close-up of the drilling building at EGRIP

Panorama of the EGRIP site

ICESat-2 North flight line

The NASA P-3 on the Thule ramp pre-flight

Tracy glacier, heading around a bend

A frozen meltwater channel on Humboldt Glacier

A view of Washington Land as we make a turn between science lines

The northern calving front of Humboldt Glacier

The terminus of Humboldt Glacier on Washington Land

The terminus of Humboldt Glacier on Washington Land

Looking up Hubert (left) and Berg (right) glaciers from over Petermann Glacier

Part of the western wall of Petermann Glacier

The calving front of Petermann Glacier

Polygonal cracks in Hall Land

Looking down the western cliffs of Petermann Glacier

Looking down Petermann Glacier towards the Nares Strait

An ice "snake" along the western side of Petermann

The wreckage of the "Kee Bird" in Washington Land

An unnamed glacier, just south of Rink Glacier

Crevasses along the edge of Igssussarssuit Sermia

A close-up of crevasses on Igssussarssuit Sermia

Looking south down the southern Melville Bay coast from the Nanortupaluk nunataks

Northeast Glaciers 02 flight line

Another view of EGRIP on our way east to Storstrommen

Terrain in Carlsbergfondet Land, from L. Bistrup Brae

Terrain in Carlsbergfondet Land, from L. Bistrup Brae

Terrain in Carlsbergfondet Land, from L. Bistrup Brae

A close-up of terrain in Carlsbergfondet Land

A large crevasse near the junction of L. Bistrup Brae and Storstrommen Glacier

A large crevasse near the junction of L. Bistrup Brae and Storstrommen Glacier

Looking deep into Carlsbergfondet Land, up Admirality Glacier

Crevasses in the sun on upper Storstrommen Glacier

Snow-filled crevasses on the Northeast Greenland Ice Stream

ICESat-2 Arctic Ocean #3 (long line) flight line

View out over Ellesmere Island on our transit to the science line

Northern Essef Ringnes Island and Cape Isachsen in the distance

A collection of heavily crevassed multiyear sea ice floes meet smooth fast ice around northwest Essef Ringnes Island.

Multi-year floes and a refrozen lead, covered in snow, near the beginning of the line

Sea ice floes in the hazy morning sun near the beginning of the science line

Conglomerated, ridged multi-year sea ice floes

Coming out of the clouds we encountered on the first third of the line

The northern cloud shelf edge behind us

Small leads in the distance in the pack ice

A lead with moisture flux into the atmosphere. It was around -24 C on the surface.

Partially refrozen leads along the science line

Small cracks in the pack ice

One long, thick pressure ridge extends off into the distance

Nansen Gap flight line

The NASA P-3 on the ramp on this gorgeous but cold Thule morning

The P-3 cockpit on transit over northern Greenland

Flying over sea ice

Near the start of the science line

The view of NW Greenland a bit after we exit Nares Strait

Beaumont Island is in the foreground with Cape Britannia on the right.

Over sea ice along the northern Greenland coast of Peary Land

A long lead, beginning to refreeze, north of Greenland

A lead meandering through the sea ice in the Fram Strait

Finger rafted nilas in a refreezing lead

The keel of a pressure ridge below the water visible through an open lead

Sea ice floes floating in very calm open water of the Fram Strait

You can see how the opposite sides of the lead recently fit together

Heavily ridged sea ice

Older wind-swept, ridged sea ice amongst much younger floes

Moisture flux clearly visible over a large lead just off the fast ice northeast of Greenland

ICESat-2 Arctic Ocean #4 (long line) flight line

NASA 426 stuck in the hangar for an extra hour this morning because of the morning blizzard that swept through

Looking down the side of NASA 426

NASA 426 being towed out just as the blizzard is letting up

Kurt doing a great job with the fuel, despite the bitter cold

Aaron and Alexey wait patiently for the flight to get underway

Billy & Bill discuss pre-flight details

John and Teja discuss what to look for this flight

They both couldn't help smiling... always smiling =)

A candid shot of Alexey

Joe hanging out, discussing mission details

John puts today's flight details up on the wall for all to peruse

Craig and Joe chat with John during pre-flight

Just after takeoff we find the sea ice in Inglefield Fjord has broken off, likely due to this morning's high easterly winds

A spine of mountains as we pass over Ellesmere Island

The sea ice just off Axel Heiberg Island, still during transit to the line

Jim working on the headwall mid-flight

A mostly refrozen lead near the beginning of the science line

A large line of pressure ridges makes its way across the pack ice

A view out across the pack ice along the science line

A line of pressure ridges near the end of the science line

Mostly refrozen leads along a line of pressure ridges

A subsun appears out the window, due to ice crystals in the air

It looks like the glacier west of Tugto Glacier already has some meltwater spilling out from its terminus

A close-up of the town of Qaanaaq

Qaanaaq and a sea ice covered Inglefield Fjord

We pass over Berlingske Glacier near the start of our ramp pass

An arctic hare along the side of the road on North Mountain

An arctic hare along the side of the road on North Mountain

Dundas Village, just outside Thule Air Base

Hides from recently killed musk oxen, on the roof of a building in Dundas Village

Our shadows in front of one of the seasonal houses in Dundas Village

A number of relatively fresh musk oxen pelts left outside a house in the village to freeze

A musk ox skull with very little left on it atop a post in the middle of Dundas Village

Checking out one of the houses with my new friend, Anelouise

Close-up of some of the hunting and fishing tools left outside by the visiting Inuits

Anelouise with Mount Dundas and part of Dundas Village

The setting sun over sea ice and icebergs in Wolstenholme Fjord

The sun behind the clouds over the sea ice

A close-up of the icebergs trapped in the sea ice in Wolstenholme Fjord

Anelouise enjoying the sunset over the ice

Snow-covered sea ice along the shore, shoved up into ridges due to the tides and wind

Coastal sea ice ridges and tidal pools along the shore

Coastal sea ice ridges and tidal pools along the shore

Coastal sea ice ridges and tidal pools along the shore

Sunset across the sea ice

Me, all bundled up against the wind, with sea ice and a very beautiful sunset - a perfect evening!

North Glaciers 01 flight line

Our fearless leaders, Joe & John, headed out to the P-3 for the last science flight out of Thule for this campaign

John about to board the P-3

Joe about to board the P-3

Passing over Camp Tuto, just inland from Thule Air Base

The old gravel ramps up that used to be level with the ice sheet are clear evidence of the thinning ice

The terminal moraine of "The Great Land Glacier"

The vertical walls of Steensby Glacier

The thin calving front of Steensby Glacier

Thick finger rafting in St. Gorges Fjord, just in front of Steensby's terminus

Sea ice and icebergs in St. Gorges Fjord

A couple caves in the sidewalls of St. Gorges Fjord

The mountain Ættestub rises over a fjord just west of Ryder Glacier

Sea ice and icebergs fill Osborn Fjord, just north of Ryder Glacier

The northern edge of a large tabular iceberg from Ryder Glacier

The calving front of Ryder Glacier

A number of hanging glaciers on Permin Land, on the west flank of Ryder Glacier

Crevasses along upper Ryder Glacier

A close-up of crevasses on upper Ryder Glacier

Snow lines on the surface of upper Ryder Glacier

Snow-filled crevasses on upper Hagen Brae

A frozen superglacial lake on Hagen Brae

Crevasse-filled icebergs & sea ice along the terminus of Hagen Brae

Sea ice and icebergs in Hagen Fjord

An iceberg trapped in the sea ice in Hagen Fjord

An iceberg trapped in the sea ice in Hagen Fjord

An iceberg graveyard in lower Hagen Fjord

Icebergs and fast ice along the edge of the Wandel Sea

Station Nord with icebergs, sea ice and the mountains of Crownprince Christian Land in the distance

Eastern Crownprince Christian Land

A frozen-over Ingolls Fjord and the picturesque river valley that feeds it in Crownprince Christian Land

A frozen-over Ingolls Fjord and the picturesque river valley that feeds it in Crownprince Christian Land

The edge of the Greenland ice sheet just west of Danmark Fjord

The last of the P-3's passengers boarding for the transit to Kanger

PIC Scott checks out the props pre-flight

NASA 426 just taking off from the runway in Bangor

NASA 426 just after takeoff

NASA 426 retracting the gear just after takeoff

NASA 426 over the Bangor runway

Close-up of NASA 426 just after takeoff

NASA 426 headed to Kangerlussuaq