Start Date: End Date: Published Date Data Date
Heavy Snowfall Blankets Spain
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Published January 11, 2021
Meteorologists declared it the largest snowfall in the region since 1971.
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Aral Sea in Winter
Published December 31, 2020
Cold temperatures through December sustain areas of snow and ice across Central Asia’s inland lake.
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Iceberg Goes With the Flow
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Published December 23, 2020
The swerving path of Antarctic iceberg A-68A is dictated by a large and powerful current.
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Cool Yule Tule
California’s Central Valley is fertile territory for fog formation in winter.
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Nor’easter Exits the U.S. Northeast
Published December 18, 2020
Areas of clear sky revealed a blanket of white across Mid-Atlantic states, while harder-hit areas remained obscured by clouds.
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Cyclone Yasa Bearing Down on Fiji
Published December 16, 2020
The storm is the second category 5 in the South Pacific this year.
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Foggy Mountain Breakdown
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Published December 12, 2020
Clear skies over the Rocky Mountains helped a temperature inversion to form, which in turn led to cloud-filled valleys.
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Fraser Island Blazes
Published December 10, 2020
Fires have scorched half of a World Heritage Site and threatened local wildlife.
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A Sliver of Mexico’s “Mother Mountain Range”
Published November 27, 2020
The Sierra Madre Oriental is part of a chain that stretches across three continents.
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The Braided Brahmaputra
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Published November 29, 2020
The river’s high sediment load contributes to the abrupt change in its shape as it exits the Himalayas and hits flatter land.
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Flooding in Northern Luzon
Published November 19, 2020
In the wake of three typhoons within a month, the Philippines provinces of Cagayan and Isabela have seen some of their worst flooding in decades.
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Molave Heads Toward Vietnam
Published October 27, 2020
After getting pummeled by three deadly storms in October, Vietnam prepares for another one.
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Snow Melts in the Andes
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Published October 20, 2020
As springtime arrives in the Andes, winter snow melts to provide an important water source for local communities.
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Fierce Fires in Bolivia
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Published October 15, 2020
For the second year in a row, fires have been widespread and persistent in the South American country.
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A Lush Laptev Palette
Published October 13, 2020
A colorful mixture of dissolved organic matter and sediments help trace the sea’s otherwise invisible currents and eddies.
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Sharks, Seagrass, and Stromatolites
Published October 10, 2020
Australia’s Shark Bay contains the largest beds of seagrasses in the world, as well as some of the oldest lifeforms on Earth.
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Persistent Phytoplankton
Published September 21, 2020
The waters off of Newfoundland were colored by coccolithophore blooms for two months.
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Historic Fires Devastate the U.S. Pacific Coast
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Published September 11, 2020
Satellite data is helping scientists size up one of the most intense outbreaks of fire and smoke that Oregon and California have seen in decades.
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Downslope Winds Fan Western Fires
Published September 9, 2020
Dozens of extremely intense fires are tearing through Pacific Coast states.
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A Smoky Inferno
Published September 8, 2020
Intense fires raged in several western states over the Labor Day weekend.
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When Rivers are Borders
Published September 17, 2020
A new dataset reveals interesting patterns about where and why rivers define national borders.
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How Rivers Shape States
Many state and local boundaries around the world—including many in the United States—are the product of rivers.
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Explorer Base Map
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Published September 1, 2020
The underlying base map for the Earth Observatory Explorer browse tool.
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A New Tool for Tracking Amazon Fires
Published August 19, 2020
Following a notable increase in fire activity in August 2019 and a gradual rise in deforestation, scientists have been watching for signs of how 2020 might shape up. Several worrisome signs have emerged.
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No Rest for Nishinoshima
Published August 6, 2020
Volcanic activity that ramped up in late May 2020 has continued into August.
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