Summertime increases in upper-ocean stratification and mixed-layer depth.

The surface mixed layer of the world ocean regulates global climate by controlling heat and carbon exchange between the atmosphere and the oceanic interior. The mixed layer also shapes marine ecosystems by hosting most of the ocean's primary production and providing the conduit for oxygenation of deep oceanic layers. Despite these important climatic and life-supporting roles, possible changes in the mixed layer during an era of global climate change remain uncertain.

[Critical study of patella alta. II. Patella alta and femoropatellar pathology].

Patella alta is radiologically defined by an Insall index equal to or greater than 1.3. In 50 patients suffering from pain of the femur and patella, roentgenographic studies consisting of a simple profile view and occasionally completed by a view through Smillie's angle with the knee hyperextended, revealed patella alta.

[Critical study of patella alta. I. Comparison of results of methods for measuring patellar height in 100 control subjects].

The vertical patellar position is a function of patellar tendon length. Various easily-performed radiological techniques can be used to establish indices which define patellar height. 200 measurements were carried out on 100 control subjects who were free of knee joint pathology, and the various techniques were subsequently compared.