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\[
\label{deposition}
\frac{d \eta}{dt} > 0
\]
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\[
\label{erosion}
\frac{d \eta}{dt} < 0
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\label{dqddt1}
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\[
\label{dqddt2}
\frac{d q_d}{dt} = q_t(x) - q_t(x + \Delta x)
\]
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\label{detadt1}
\frac{d \eta}{dt} = - \frac{1}{1 - \lambda_p} \frac{q_t(x...
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\[
\label{exner}
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\[
\label{deposition}
\frac{d \eta}{dt} > 0
\]
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\[
\label{erosion}
\frac{d \eta}{dt} < 0
\]
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\label{dqddt1}
\frac{d q_d}{dt} =(1 - \lambda_p) \Delta x \frac{d \eta}...
\]
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\[
\label{dqddt2}
\frac{d q_d}{dt} = q_t(x) - q_t(x + \Delta x)
\]
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\[
\label{detadt1}
\frac{d \eta}{dt} = - \frac{1}{1 - \lambda_p} \frac{q_t(x...
\]
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\[
\label{exner}
\frac{\partial \eta}{\partial t} = - \frac{1}{1 - \lambda...
\]
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