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Um höfundinn
Tryggvi Þórðarson (f. 1952) lauk cand. mag.-prófi í raun-
vísindum frá Háskólanum í Osló 1978 og cand. real.-
prófi í vatnavistfræði frá sama skóla 1983. Hann hefur
starfað hjá Heilbrigðiseftirliti Reykjavíkur og Rann-
sókna- og fræðasetri Háskóla Íslands í Hveragerði.
Póst- og netfang höfundar/Author’s address
Tryggvi Þórðarson
Melgerði 6
IS-200 Kópavogur
trygg@hive.is
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