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The NPR budget and federal spending – Opinion piece

I wrote this up in response to something someone shared on Facebook (silly, I know) but I was curious to have some facts on what the numbers are. I’m reprodu...

Building a simple delta numerical model: Part V

Now we need to add a routine to update the channel bed, based upon the calculated change in sediment transport over space from the previous step. We’ll use t...

Manuscript submitted — continental divides

This paper is now published, and can be found here.

Building a simple delta numerical model: Part IV

In this part of “Building a simple delta numerical model”, we’ll write the part of our model that will solve the “Exner” equation, which determines changes i...

Building a simple delta numerical model: Part III

In this part of “Building a simple delta numerical model”, we’ll simply develop a module for calculating sediment transport at all locations within our model...

Building a simple delta numerical model: Part II

Taking the simpler form of the backwater equation, that is, assuming that width does not vary over the channel reach, we find an expression for changing flow...

Building a simple delta numerical model: Part I

This is the first in a series I’m going to write over an undetermined-number-of-parts series where we will develop all the pieces to a simple delta numerical...

Dietrich Settling Velocity Matlab code

Just about two years ago, I published a code for calculating the settling velocity of a particle in water by the Dietrich, 1982 method. I later realized an e...

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