In particular, we are interested in when the daily PAR value increases above the threshold range of 0.5–5 μmol m –2 s –1. In other words ... ICESat-2 offers the ability to provide sea ice freeboards ...

It is well-established that phytoplankton growth can be limited by the vanishingly low concentrations of dissolved iron found in large areas of the open ocean. However, the availability of iron is not ...