English to Spanish Science Meteorology entidad proveedora de servicios meteocenográficos

en una empresa que presta servicios meteocenográficos aparece lo siguiente

XXXX's wave hindcasting system is based on the combination of altimetry satellite data and the Wavewatch III numerical model. The altimetry satellite data is assimilated into the numerical model to improve the results.
A baseline (1°) global model is being run to cover the entire ocean domain, and a first nesting procedure is applied to a higher-resolution area (1/4°). Then a second nesting is applied down to 1/16° spanning the target area.

no sé a qué se refieren con nesting ni mucho menos cómo traducirlo espero que puedan ayudarme es muy urgente gracias