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Unable to sustain nuclear fusion in their cores due to insufficient mass, all brown dwarfs are about the radius of Jupiter, emit primarily in the infrared, and are degenerate across effective temperature, mass and radius. These observational challenges make stellar direct detection methods such as interferometry and asteroseismology unfeasible and dynamical mass measurements very difficult for a large number of objects. However, with the groundswell of optical and near-infrared (NIR) spectra from the BDNYC Data Archive combined with mid-infrared data from the Wide-field Infrared Survey Explorer (WISE; Wright et al. 2010) and the Spitzer Space Telscope (Fazio et al. 2004; Houck et al. 2004), we construct 175 near-complete spectral energy distributions (SED) for the entire sequence of late-M, L and T dwarfs. Objects with optical signatures of low surface gravity ($\beta$ or $\gamma$; Kirkpatrick et al. 2005, Cruz et al. 2009) or membership in nearby young (10-150 Myr) moving groups (Reidel et al. in prep) are identified as 24 percent of the sample to investigate the effects of temperature, gravity, and dust and clouds on spectral morphology. We determine bolometric luminosities ($L_{bol}$) for our sample by integration of the SEDs, flux calibrated using parallax measurements from the Brown Dwarf Kinematics Project (Faherty et al. 2012) and the literature (Dupuy et al. 2013, Tinney et al. 2003, Vrba et al. 2004) or published kinematic distances (Cruz et al. 2003/2007, Faherty et al. 2009, Schmidt et al. 2006/2010, Reid et al. 2006, Delorme et al. 2012, Naud et al. 2014).  Bolometric luminosities are one of the few direct measurements we can make for brown dwarfs for identification of substellar touchstones, however, effective temperatures ($T_{eff}$)  can also be tightly constrained while minimizing our assumptions about the source. Qualitatively, low-g L dwarfs have larger radii than their field age counterparts of the same $L_{bol}$ so they must have cooler photospheres according to the Stefan-Boltzmann Law. We use the DUSTY evolutionary models of Baraffe et al. (2002) and assume the full range of posible radii for field age (0.5-10 Gyr) dwarfs of 1.0 +/- 0.21 $R_{Jup}$. For young moving group members, we interpolated between isochrones to retrieve the uncertainty in radius at a given $L_{bol}$. And for low-g objects, we... Preliminary results suggest that confirmed young objects are 100-400 K cooler than field age L dwarfs of the same spectral type implying that surface gravity must be taken into account when using spectral type as a proxy for $T_{eff}$.