Afterward, equation of temporal surface passing through the three recording stations around the area was determined using SPSS software.
2--Determining temporal surface equation in every rainfall events
In spite of the fact that the number of recording rain-gauge stations in the region was limited, amount of precipitation in each subbasin was determined according to precipitation of the nearest station, thus this model is concomitantly applicable to the regions low in station frequency; nevertheless, in regions with more stations, rainfall temporal surface equation can be more accurate.
It too reduces to the language of patina, of temporal surface
, just as the patina of his sculptures becomes liquid gesture.
For their given dataset and variogram models, the boundaries representing the contraction of Neanderthals and the invasion of Modern humans may indeed represent the most probable temporal surfaces, but what confidence can we assign to them?
In fact, the values directly estimated from the temporal surfaces are appreciably lower: 3800 years in present-day France and 1600 years in the south of the Iberian Peninsula (to be compared, for example, with 4000 years in these two zones by Pettitt 1999: 232).
These may occur in any of the narrative or temporal surfaces
of the poem: in the present (as recounted by the poet-orator) in a mythical locus like Mount Olympus; in a fabulous one like the Isle of Love or the watery realm of Adamastor; or in a real place like Africa or India.