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Aim It has been proposed that, in tropical savannas, trees deploy their leaves earlier in the growing season and grasses deploy their leaves later. This hypothesis implies a mechanism that facilitates the coexistence of trees and grasses in savannas. If true, this hypothesis would also allow algorithms to use differences in the phenological timing of grass and tree leaves to partition the relative...
A reconfigurable Control and Monitoring Framework (CMF) was developed, integrated and tested with a Radar Signal Processor (RSP). The methods and processes used to develop and utilise the CMF are highlighted in the context of a complete Control and Monitoring System (CMS) for an RSP. The CMF provides the basis for developing interactive, high-level control and monitoring applications using a multi-layer...
Measurements of surface ozone in two contrasting areas of South Africa are compared with free tropospheric and Total Ozone Mapping Spectrometer (TOMS) total column ozone data. Cape Point is representative of a background monitoring station which is remote from pollution impacts, whereas the Eastern Transvaal Highveld (ETH) stations of Elandsfontein and Verkykkop are situated in an area of intense...
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