A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

The study of how the earth's atmosphere works, including weather forecasting. Use this tag for questions about the earth's weather. When asking questions specifically about the atmosphere, also includ…
The science comprising the study of the rocks Earth is composed of, and the processes by which they change. Some subfields of geology are petrology, mineralogy, and geophysics.
Questions about changes of the climate system, including questions about global warming.
570 questions
The gaseous envelope surrounding the *Earth*, and retained by the Earth's gravitational field. If your question is about the atmosphere on another celestial body or is more astronomy related, please a…
Geophysics is a subject of natural science concerned with the physical processes and physical properties of the Earth and its surrounding space environment.
467 questions
Average weather conditions for a particular area measured over multiple years or decades. For questions on climate change use the [climate-change] tag.
403 questions
Oceanography is the branch of Earth science that studies the ocean. It is also known as oceanology.
318 questions
An objective measure of hot and cold, typically measured by a thermometer.
260 questions
The science that uses the tools and principles of chemistry to explain the mechanisms behind major geological systems.
225 questions
Questions regarding large bodies of salt water known as oceans. These bodies comprise about 70% of the Earth's surface.
214 questions
The theory that Earth's outer shell is divided into several plates that glide over the mantle, the rocky inner layer above the core.
203 questions
Hydrology is the study of the properties and behaviour of water. It concerns both surface as well as subsurface water, although water in the oceans and atmosphere is generally excluded. Those are stud…
200 questions
The properties and behaviour of volcanoes, from the genesis of magmas to their ascent and emission at the surface of the Earth (or other planetary environments).
197 questions
For questions that are concerned with or nested within the field of Geography; the study of lands, their features, and the relationships and complexities between and among peoples, the physical enviro…
184 questions
Questions regarding a sudden release of seismic waves into the Earth's crust. As well as the causes of earthquakes, their consequences and physics.
181 questions
A tag for questions about conceptual, analytical or numerical models used in Earth science disciplines.
177 questions
For questions about the study of earthquakes and various seismic sources.
171 questions
Questions relating to the scientific study and identification of minerals.
162 questions
For questions relating to the liquid phase of water (H₂O), specifically its structure, properties, and uses in meteorology and Earth Science.
160 questions
Questions relating to Historical Geology.
155 questions
Questions about the application of weather data in meteorology/forecasting.
148 questions
The flow of air with respect to the ground. On the surface of the Earth, wind consists of the bulk movement of air.
140 questions
Questions about rock types, formation, chemistry, and physics.
135 questions
Questions related to acquiring, processing and interpreting field measurements of any kind. Including instrumentation and data analysis.
132 questions
Mathematical models used for studying the dynamics of climate systems or predicting future climates.
129 questions
The multi-disciplinary study of the geomorphology, geology, chemistry, meteorology, oceanography, hydrology, astronomy and astrophysics of the planets and other objects within the solar system.
128 questions
In meteorology, a cloud refers to a visible group of liquid droplets and/or frozen crystals made of water or various chemicals, suspended in the atmosphere.
128 questions
Precipitation is any form of moisture that falls from a cloud and reaches the ground. Precipitation can fall to the ground as rain, snow, sleet, hail, graupel... etc.
116 questions
Questions regarding the height of the ocean's surface.
108 questions
concerns all forms of snow and ice on Earth and in space. And the marks left by ancient glaciers.
104 questions
Sedimentology encompasses the study of modern sediments such as sand, mud, and clay, and the processes that result in their deposition.
100 questions
For questions about the outermost layer of the surface of the Earth. The soil is saturated with organic remains and rock particles.
96 questions
A tropical cyclone is a rapidly-rotating storm system characterized by a low-pressure center, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain. Depending on its location…
95 questions
Questions regarding large land masses that reach high above the surrounding terrain, usually forming a peak.
95 questions
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