The itive aspectizers express a totalizing of the action.
Over time, the difference in size between laptops and notebooks became a matter of no more than an inch or two in length and width, and a fraction of an inch in thickness.
Drawings and pictures are more than mere ornaments in scientific discourse. Blackboard sketches, geological maps, diagrams of molecular structure, astronomical photographs, MRI images, the many varieties of statistical charts and graphs: These pictorial devices are indispensable tools for presenting evidence, for explaining a theory, for telling a story.
Catchweight seems to me to be a far more reasonable measure of impact than days at sea, even though the general impact of high levels of human activity should also be brought into the calculations.