Among the topics that he has studied are: ancient trade; metallurgy; pottery production and provenience; scientific applications in archaeology; archaeological survey; the archaeology of Jerusalem; The Middle Bronze Age of the Levant; chronology of the 2nd Millennium BCE; the Sea Peoples and the Philistines; relations between Egypt and the Levant; ancient weapons and warfare; ancient cult and religion.
After the arrival of the Philistines, one of the Sea Peoples, Ekron became a fortified urban center that supplied Egypt and the Assyrian empire with 700 tons of olive oil a year, making it the largest olive oil industrial center in the ancient Middle East.
Black Sea | Mediterranean Sea | Indigenous peoples of the Americas | Baltic Sea | North Sea | Red Sea | Caspian Sea | Caribbean Sea | Adriatic Sea | Turkic peoples | Aegean Sea | South China Sea | Sea of Japan | Irish Sea | Westland Sea King | Dead Sea | Arabian Sea | Tyrrhenian Sea | Southend-on-Sea | indigenous peoples | East China Sea | Bantu peoples | Ionian Sea | Germanic peoples | Indigenous peoples | Bering Sea | Aboriginal peoples in Canada | White Sea | Kara Sea | First Sea Lord |
Begun in or around the year 720 BC, a rebellion against the Assyrian Empire broke out, participated in by ancient Syria and the Philistines (descendants of the 'Sea Peoples') from Mycenaean Greece, and also with Egyptian encouragement.
Some possibilities are any or all of civil strife, the Sea Peoples, the Dorians.
But there is some evidence that the ethnonym may predate the Iron Age, based on the name Shekelesh given to one of the Sea Peoples in the Great Karnak Inscription (late 13th century BCE).