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Questions tagged [models]

A tag for questions about conceptual, analytical or numerical models used in Earth science disciplines.

215 questions
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6 answers

Is there value in using a model that fails at validation against measurements?

Say we have a model that describes a physical or dynamical system, for example, a hydrological model. If the model results do not match the measurements of the quantity being simulated, i.e. the model validation fails, is there any value in using…
user6784
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2 answers

Model types: Robust diagnostic versus prognostic

I wonder whether someone knows a clear definition/description of 1) Robust diagnostic models Forcing with data from initial state aimed at future predictions? 2) Prognostic models Tie model results back to observations using a relaxation…
user2003479
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3 answers

What are the domains of Earth Science?

Increasingly confused by all the "spheres" and agreed relationships between them. As a result, I am looking for a singular answer that clearly states at the very least what the top-level and secondary domains of Earth Science are and if possible,…
blunders
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5
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1 answer

Meaning of Hindcast

Let $t_0$ be the time instant of interest, $t_{-1}$ be some time before $t_0$, and $t_1$ be some instant in time after $t_0$. Now there is no confusion with forecast - if the present time is $t_0$, a forecast at $t_1$, for example, uses a model that…
user4624937
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1 answer

What is the point of normalizing rocks to chondrite or normalizing to anything else for that matter?

To be exact, I'm talking about the Y-Axis. Normalizing does not make sense to me. How does this not skew data?
PeePooPP
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3
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1 answer

World Elevation Data as CSV

Hi I need For each Lat and Long value also the Alt value! However, I am having problems extracting these values from a Geotiff and wonder if this data is publicly available in Excel or CSV file format? Unfortunately I have not found anything…
Weiss
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What does slat and elat (slon, elon) in latitude and longitude values mean?

I have data from the national storm prediction center that is marked with values of : elat slat elon slon `slat slon elat elon `31.6671 -90.9352 31.6998 -90.8813 What do those values mean? What does the "s" & "e"…
raddevus
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