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Detecting the Spatial Distribution of Artemia at Urmiea Lake



Fig 4: Artemia distribution in Urmia Lake, western and southern part of the lake
Spectral profiles of different bands were used for better understanding of artemia reflection in different spectral bands (fig 5 and 6).

Below profiles reveal that Urmia Artemia may be detected in all TM bands but its highest reflection occurs in 1, 4, and 6 which may be interpreted as following:

1. the first peak is related to band 1( blue band) which has highest penetration in water so artemia may be studied using this band in low water
2. The second peak belongs to band 4 (near infra- red), this band is most suitable for biomass studies. Due to orange to reddish color of Artemia Urmiana it may be enhanced with high certainty.
3. The highest peak of artemia reflection occurs in band 6 (thermal band), but it is not recommended for the sake of being thermal band.

Fig5: Artemia reflection profile in different bands (east of lake)

Fig 6: Artemia reflection profile in different bands (south of lake)

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