Geoclimatic factors control emissions of NO, N₂O, and N₂ from natural and managed ecosystems across a range of spatiotemporal scales. For example, warming can increase N emissions when soil moisture remains constant, but if moisture varies across spatiotemporal gradients, drier conditions can constrain N emissions. Similarly, shifts in precipitation variability can influence the processes controlling N emissions by changing redox, gas diffusivity, and microbial access to N. In turn, these factors interact with land use and soil physicochemical properties to further affect N cycling rates and emissions. Untangling the influence of and interactions between these factors is key to understanding the processes driving N emissions, and thus to predict how global changes, including disturbances like wildfire, will affect future N emissions. 

We welcome studies investigating geoclimatic drivers of N emissions. We also encourage submissions exploring novel techniques (e.g., isotopologues) for studying NO, N₂O, and N₂ production–consumption pathways.

• GC - Global Environmental Change