Earth Sciences Forum

Post thread
Join the experts in discussing earth science topics. Earth science is the physical state of the earth and its atmosphere. Such as Geology, Meteorology, Oceanography, Ecology.
When the earth's core melted, did the diameter of the earth increase?
  • · Replies 13 ·
Replies
13
Views
10K
Which class to take - geohydrology, GIS or geomorphology
  • · Replies 3 ·
Replies
3
Views
6K
Which Condensation Nucleus Is Most Efficient for Artificial Cloud Formation?
  • · Replies 1 ·
Replies
1
Views
6K
Geo classes for a physics major?
  • · Replies 13 ·
Replies
13
Views
7K
Why Do Geological Phenomena Exhibit a Power Law Distribution?
  • · Replies 1 ·
Replies
1
Views
6K
Causes for 1 meter of clay over meters of sand
  • · Replies 9 ·
Replies
9
Views
9K
What caused the mysterious disappearance of the Lost City of Heracleion?
  • · Replies 4 ·
Replies
4
Views
8K
Why are there still heavy elements in the earth's crust?
  • · Replies 4 ·
Replies
4
Views
9K
How come the ocean hasn't been absorbed into the ground?
  • · Replies 50 ·
2
Replies
50
Views
45K
How come the oceans haven't been absorbed?
  • · Replies 1 ·
Replies
1
Views
7K
What is the difference between oceanography and marine geology?
  • · Replies 4 ·
Replies
4
Views
8K
Atmospheric eddies, waves etc: definitions
  • · Replies 3 ·
Replies
3
Views
7K
CO2 Concentration Tops 400ppm for the First Time in Human History
  • · Replies 2 ·
Replies
2
Views
2K
Mw 7.4 Quake S of Tonga and Mw 8.3 Kamchatka Reg.
  • · Replies 6 ·
Replies
6
Views
6K
55% of the US rivers in poor condition
  • · Replies 14 ·
Replies
14
Views
8K
Will there ever be a 2nd ice age?
  • · Replies 17 ·
Replies
17
Views
12K
Can Cloud Cover Be Predicted at Night Using Simple Daytime Instruments?
  • · Replies 10 ·
Replies
10
Views
7K
How are the satellites that detect water vapor made?
  • · Replies 2 ·
Replies
2
Views
6K
What caused the confusion surrounding the start date of the Younger Dryas?
  • · Replies 8 ·
Replies
8
Views
9K
Atmospheric Carbon Sequestration?
  • · Replies 5 ·
Replies
5
Views
6K
What Would Life Be Like on a Hypothetical Cube-Shaped Earth?
  • · Replies 42 ·
2
Replies
42
Views
6K
Remembering the Christchurch Quakes: Can You Still Recognize Your Old Haunts?
  • · Replies 5 ·
Replies
5
Views
6K
Pleistocene Hyena Day: Visit Rotterdam Nature Museum
  • · Replies 2 ·
Replies
2
Views
5K
Why mesosphere temperature decreases with height?
  • · Replies 1 ·
Replies
1
Views
6K
Books on Geochemistry: Introduction and Intermediate Level
  • · Replies 1 ·
Replies
1
Views
5K
Sahara - Amazon rainforest connection
  • · Replies 6 ·
Replies
6
Views
11K
Compromising Plate Tectonics without compromising the Magnetic Field?
  • · Replies 17 ·
Replies
17
Views
8K
Wild Distortions on Google Earth Maps
  • · Replies 6 ·
Replies
6
Views
2K
7.8 Mag Earthquake, Khash, Iran
  • · Replies 8 ·
Replies
8
Views
6K
Earth's Spin Flip: Causes of Geomagnetic Reversal?
  • · Replies 2 ·
Replies
2
Views
7K
Was the early earth radioactive?
  • · Replies 13 ·
Replies
13
Views
11K
Would would Earth be different?
  • · Replies 3 ·
Replies
3
Views
5K
Questions for Cooling the earth?
  • · Replies 1 ·
Replies
1
Views
5K
Mw 7.0 Papua Quake of 06 Apr 2013
  • · Replies 26 ·
Replies
26
Views
8K
Boosting Earth's Mass: Harvesting Planetary Resources and Impact on Gravity
  • · Replies 11 ·
Replies
11
Views
2K
Nuclear winter, would it happen?
  • · Replies 1 ·
Replies
1
Views
5K
Dinosaurs died out due to fire 66 million years ago.
  • · Replies 17 ·
Replies
17
Views
11K
Measuring earth magnetic field strength
  • · Replies 14 ·
Replies
14
Views
10K
Textbook for Structural Geology and Optical Mineralogy
  • · Replies 3 ·
Replies
3
Views
5K
What Makes Exploration Geology So Exciting?
  • · Replies 3 ·
Replies
3
Views
6K
How many megatons was the chixculub meteor impact equal to?
  • · Replies 8 ·
Replies
8
Views
10K
Cool examples of radiometric dating?
  • · Replies 5 ·
Replies
5
Views
19K
George Russ, rogue oceanologist, dumped 100 tons of Iron Sulfate into the ocean
  • · Replies 5 ·
Replies
5
Views
7K
Could New Elements Exist Beyond Our Understanding?
  • · Replies 4 ·
Replies
4
Views
5K
Where can I read Essay on the Figure of the Earth ?
  • · Replies 5 ·
Replies
5
Views
3K
Change in Earth's axis and Rotation due to tectonic activity
  • · Replies 15 ·
Replies
15
Views
11K
How long does it take the Earth to form one gallon of oil?
  • · Replies 15 ·
Replies
15
Views
68K
What determines whether or not snow sticks to my windshield?
  • · Replies 3 ·
Replies
3
Views
6K
Mixing of fluid streams in rivers
  • · Replies 7 ·
Replies
7
Views
4K
Wavelengths of sunlight, blackbody radiators, Planck's law, CCT
  • · Replies 11 ·
Replies
11
Views
13K
Easier Method to Calculate Earth's Circumference
  • · Replies 1 ·
Replies
1
Views
5K
Questions on the Etiquette of Redrawing Older Maps
  • · Replies 3 ·
Replies
3
Views
4K
Artificially increased rainfall ?
  • · Replies 6 ·
Replies
6
Views
5K
Why does the shadow of Skylab appear so large in this video?
  • · Replies 3 ·
Replies
3
Views
2K
How much lava is there in earth?
  • · Replies 12 ·
Replies
12
Views
17K
Ocean salinity and its affect on surface tension
  • · Replies 8 ·
Replies
8
Views
10K
How will humanity prepare for the end of the world in 5113 years?
  • · Replies 109 ·
4
Replies
109
Views
15K
Warm Beaches, Hot Volcanoes And Cold Back Home
  • · Replies 31 ·
2
Replies
31
Views
4K
The last week on Earth, or maybe not?
  • · Replies 33 ·
2
Replies
33
Views
5K
What Causes the Earth's Crust-Atmosphere Phase Transition?
  • · Replies 39 ·
2
Replies
39
Views
15K
Rift basin vs foreland basin sedimentation?
  • · Replies 2 ·
Replies
2
Views
5K
Where can I find the raw data behind this chart?
  • · Replies 5 ·
Replies
5
Views
6K
The island that wasn't really there
  • · Replies 1 ·
Replies
1
Views
5K
What Will Happen to Earth's Landmass When All Land Erodes into Mineral Dust?
  • · Replies 8 ·
Replies
8
Views
5K
Questions about summer opportunities in geophysics
  • · Replies 3 ·
Replies
3
Views
4K
Understanding the hot shallow layer above the earth surface
  • · Replies 5 ·
Replies
5
Views
5K
Is it true that a series of small earthquakes help prevent a large eartquake?
  • · Replies 10 ·
Replies
10
Views
9K
Geomagnetic Storms: Why Affect Northern Hemisphere?
  • · Replies 2 ·
Replies
2
Views
6K
What are the characteristics of pine trees in Northern Canada?
  • · Replies 14 ·
Replies
14
Views
7K
8.9 earthquake in Japan: tsunami warnings
  • · Replies 671 ·
23
Replies
671
Views
162K
What color of LED light to use for display of minerals? Cool or warm?
  • · Replies 2 ·
Replies
2
Views
5K
Wind Map US: Near Live Wind Trails Visualized
  • · Replies 14 ·
Replies
14
Views
9K
What is the barrier that keeps in molecules?
  • · Replies 7 ·
Replies
7
Views
5K
My Online Seismograph: View Near Real Time Seismic Data From Sydney, Australia
  • · Replies 12 ·
Replies
12
Views
10K
Geomagnetic Reversal 41k BP 240 years Paradox? Mechanism?
  • · Replies 2 ·
Replies
2
Views
6K
Earth's temperature follows it's magnetic field
  • · Replies 11 ·
Replies
11
Views
8K
Why Were Scientists in Italy Sentenced for Failing to Predict an Earthquake?
  • · Replies 1 ·
Replies
1
Views
2K
Can Rossby Waves in the Ocean Create Vortices?
  • · Replies 3 ·
Replies
3
Views
4K
Why Does Earth Have an Iron Core?
  • · Replies 4 ·
Replies
4
Views
8K
Earth ellipsoid due to rotation
  • · Replies 12 ·
Replies
12
Views
9K
Why is oceanic crust thinner than continental crust?
  • · Replies 3 ·
Replies
3
Views
5K
Can a Physics Major Thrive in Earth Science Careers?
  • · Replies 23 ·
Replies
23
Views
17K
Daily Temperature as a function of time
  • · Replies 2 ·
Replies
2
Views
11K
What happened to the mammoths of the ivory islands?
  • · Replies 5 ·
Replies
5
Views
8K
Found a fossil. It's like wood - help identify?
  • · Replies 21 ·
Replies
21
Views
17K
Do rainbows have differing archs?
  • · Replies 13 ·
Replies
13
Views
16K
The problems of the isotope paleo thermometer
  • · Replies 9 ·
Replies
9
Views
19K
How long can a planet sustain life?
  • · Replies 8 ·
Replies
8
Views
5K
Effect of metamorphism on Earth's surface.
  • · Replies 5 ·
Replies
5
Views
5K
How high could sea levels rise by 2100 due to melting ice sheets?
  • · Replies 1 ·
Replies
1
Views
4K
Arctic ice in uncharted territory
  • · Replies 12 ·
Replies
12
Views
5K
Collecting opinions on Gianpaolo Giuliani's work
  • · Replies 3 ·
Replies
3
Views
3K
Does anyone have a list of at what level gems vibrate at?
  • · Replies 13 ·
Replies
13
Views
11K
If Earths tilt was at 40 degrees
  • · Replies 2 ·
Replies
2
Views
5K
I need an equation for calculating water/oxygen in an airmass
  • · Replies 1 ·
Replies
1
Views
4K
What Are the Secrets Behind the Carolina Bays Geological Phenomenon?
  • · Replies 22 ·
Replies
22
Views
15K
How much are sea levels expected to rise by the year 2100?
  • · Replies 10 ·
Replies
10
Views
5K
Variations in the strength of gravity throughout the earth
  • · Replies 13 ·
Replies
13
Views
7K
Earths core and mantle producing plate tectonics?
  • · Replies 3 ·
Replies
3
Views
4K
Opposing rotation of the Earth's core
  • · Replies 13 ·
Replies
13
Views
8K