Brian Jackson edited In_panel_b_the_Gamma___.tex  over 8 years ago

Commit id: c2444e66ba169b732d30f4ab6d4bdc30b6de9ad5

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In panel (b), the $\Gamma_{\rm obs}$ density monotonically increases with $\Gamma_{\rm obs}$ since devils with larger $\Gamma_{\rm act}$-values are more likely to be observed (Equation \ref{eqn:recovery_bias}), and they're likely to be observed with yet wider profiles. By contrast, in panel (c), the density peaks at a moderate value of $P_{\rm obs}$, falling off to either side. Few devils are observed with $P_{\rm obs} \approx P_{\rm max}$ because nearly central ($b \approx 0$) would be required, which are unlikely. Looking at the other side of the peak from small $P_{\rm obs}$, devils with larger $P_{\rm act}$ are more likely to be detected. Since we require $\Gamma_{\rm obs} \le \Gamma_{\rm max}$, those devils are confined to a finite range of $b$ and therefore a minimum value of $P_{\rm obs} \ge P_{\rm act} \left( \Gamma_{\rm act}/\Gamma_{\rm max} \right)^2$, often greater than $P_{\rm min}$.   Figure \ref{fig:uniform_actual_distribution_to_observed_distribution} clearly contradicts results from real dust devil surveys, such as \cite{Jackson_2015} \cite{Ellehoj_2010},  who found many fewer dust devils a $\Gamma_{\rm obs}$ distribution that dropped  with larger increasing $\Gamma_{\rm obs}$ and a  $P_{\rm obs}$-values than those obs}$ that increased  with smaller values. decreasing $P_{\rm obs}$.  The obvious conclusion is that theunderlying  distribution of detected dust devils is underlying actual values for that survey was  not uniform in $\Gamma_{\rm act}$ and  $P_{\rm obs}$. act}$.