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Alejandro (Alex) Tejedor

Alejandro Tejedor

I am a physicist fascinated by Earth processes.  I am using my physics and mathematics background to understand how physical processes leave behind their signature on the spatial and temporal patterns that we observe in nature.  The overarching goal of my research is to develop quantitative frameworks and tools to mine the information contained in those patterns, pursuing the ultimate inverse problem of  inferring processes from form.  Given the ever-increasing amount of earth observations from space, this is a fascinating and timely research challenge with a lot of potential for innovation.  My research journey has taken me across disciplines (hydrology, geomorphology, climate), and although sometimes arduous, it has been a lot of fun.  My research has led  to new and unique perspectives in understanding river deltas, landscape evolution and hydrologic connectivity in diverse settings. 


New Publication:

Check our recent publication: "The Entropic Braiding Index (eBI): A Robust Metric to Account for the Diversity of Channel Scales in Multi-Thread Rivers" in Geophysical Research Letters.
New Publication:

Check our latest work published in Nature Communications: "DomiRank Centrality reveals structural fragility of complex networks via node dominance." led by Marcus Engsig, where we show how a dominance-based mechanism exposes the fragile structures in complex networks.  
New Publication:

Check our recent work published in Geophysical Research Letters: "River delta morphotypes emerge from multiscale characterization of shorelines." led by Lawrence Vulis, where we present a quantitative classification of River Deltas through the lens of their shorelines.


Tejedor2017 Scale-dependent eorsional patterns in SS and TS landscapes
Tejedor2017 Entropy and optimality in river deltas
Tejedor2018 Diffusion Dynamics in directed Multiplex Networks
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