Keywords: Physical Sciences (2564)

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Searching for Atlantic Rhythms: Winter Weather and the North Atlantic Oscillation

Searching for Atlantic Rhythms: Winter Weather and the North Atlantic Oscillation

Much like El Nino, the North Atlantic Oscillation (NAO) varies in a ... (more)

Much like El Nino, the North Atlantic Oscillation (NAO) varies in a rhythmic pattern from decade to decade. The NAO is the relationship between a high-pressure system over the Azores Islands and a low-pressure system over Iceland. This site uses text, photographs, and maps to explain what the NAO is and how it affects weather in Europe, the United States, and as far away as the Middle East. (less)

Subject:
Science and Technology
Material Type:
Readings
Collection:
NASA
Provider:
NASA
Author:
Yoram Kauffman
No Strings Attached
Seasonal Global Surface Temperature Anomaly: January 1950 through October 1998 (Fast)

Seasonal Global Surface Temperature Anomaly: January 1950 through October 1998 (Fast)

Global surface temperatures in 1998 set a new record for the period ... (more)

Global surface temperatures in 1998 set a new record for the period of instrumental measurements, report researchers at the NASA Goddard Institute for Space Studies who analyze data collected from several thousand meteorological stations around the world. This visualization shows surface temperature anomalies from 1950 through November, 1998. The 1998 warmth was associated partly with a strong El Nino that warmed the air over the eastern tropical Pacific Ocean in the first half of the year and in turn affected weather around the world. Red and yellow colors indicate warmer than normal conditions and blue colors indicates cooler than normal conditions. (less)

Subject:
Science and Technology
Material Type:
Other
Collection:
NASA GSFC Scientific Visualization Studio
Provider:
NASA
Author:
James Hansen
Jesse Allen
No Strings Attached
Seasonal Global Surface Temperature Anomaly: January 1950 through October 1998 (Slow)

Seasonal Global Surface Temperature Anomaly: January 1950 through October 1998 (Slow)

Global surface temperatures in 1998 set a new record for the period ... (more)

Global surface temperatures in 1998 set a new record for the period of instrumental measurements, report researchers at the NASA Goddard Institute for Space Studies who analyze data collected from several thousand meteorological stations around the world. This visualization shows surface temperature anomalies from 1950 through November, 1998. The 1998 warmth was associated partly with a strong El Nino that warmed the air over the eastern tropical Pacific Ocean in the first half of the year and in turn affected weather around the world. Red and yellow colors indicate warmer than normal conditions and blue colors indicates cooler than normal conditions. (less)

Subject:
Science and Technology
Material Type:
Other
Collection:
NASA GSFC Scientific Visualization Studio
Provider:
NASA
Author:
James Hansen
Jesse Allen
No Strings Attached
Seasonal Ice Flow Backed Up

Seasonal Ice Flow Backed Up

C-19 iceberg that calved off the Ross Ice shelf and its companion ... (more)

C-19 iceberg that calved off the Ross Ice shelf and its companion B-15 iceberg, which is anchored near the coast. The two large bergs may have disrupted normal ocean circulation that clears the Ross Sea of seasonal ice during the first months of austral summer. The ice remained in the sea long past previous thaw dates, and created trouble for ships trying to bring in supplies to McMurdo research station on Ross Island. But after months of stillness, in mid-January C-19 changed position dramatically over just a few days, pivoting northward from its eastern end. The effect was like opening a floodgate, and the sea ice trapped between C-19 and B-15 poured out into the Southern Ocean. (less)

Subject:
Science and Technology
Material Type:
Other
Collection:
NASA GSFC Scientific Visualization Studio
Provider:
NASA
Author:
Stuart Snodgrass
Vincent Salomonson
No Strings Attached
Seasonal North America Surface Temperature Anomaly: January 1950 through October 1998 (Fast)

Seasonal North America Surface Temperature Anomaly: January 1950 through October 1998 (Fast)

Global surface temperatures in 1998 set a new record for the period ... (more)

Global surface temperatures in 1998 set a new record for the period of instrumental measurements, report researchers at the NASA Goddard Institute for Space Studies who analyze data collected from several thousand meteorological stations around the world. This visualization shows surface temperature anomalies from 1950 through November, 1998. The 1998 warmth was associated partly with a strong El Nino that warmed the air over the eastern tropical Pacific Ocean in the first half of the year and in turn affected weather around the world. Red and yellow colors indicate warmer than normal conditions and blue colors indicates cooler than normal conditions. (less)

Subject:
Science and Technology
Material Type:
Other
Collection:
NASA GSFC Scientific Visualization Studio
Provider:
NASA
Author:
James Hansen
Jesse Allen
No Strings Attached
Seasonal North America Surface Temperature Anomaly: January 1950 through October 1998 (Slow)

Seasonal North America Surface Temperature Anomaly: January 1950 through October 1998 (Slow)

Global surface temperatures in 1998 set a new record for the period ... (more)

Global surface temperatures in 1998 set a new record for the period of instrumental measurements, report researchers at the NASA Goddard Institute for Space Studies who analyze data collected from several thousand meteorological stations around the world. This visualization shows surface temperature anomalies from 1950 through November, 1998. The 1998 warmth was associated partly with a strong El Nino that warmed the air over the eastern tropical Pacific Ocean in the first half of the year and in turn affected weather around the world. Red and yellow colors indicate warmer than normal conditions and blue colors indicates cooler than normal conditions. (less)

Subject:
Science and Technology
Material Type:
Other
Collection:
NASA GSFC Scientific Visualization Studio
Provider:
NASA
Author:
James Hansen
Jesse Allen
No Strings Attached
Seasons and Shadows

Seasons and Shadows

In this activity you'll see how the sun's tilt on its axis ... (more)

In this activity you'll see how the sun's tilt on its axis changes the length of shadows. For example, why is your shadow longer in winter than in summer? It's easy to see the answer if you have a "sun" and an orbiting "earth" to demonstrate. Like many other ancient people, the ancient Chacoans used the annual changes in shadows to measure the passage of time and the change in seasons. You can too! (less)

Subject:
Science and Technology
Social Sciences
Material Type:
Activities and Labs
Collection:
Exploratorium
Provider:
Exploratorium
Author:
Linda Shore
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