Ninety of the wells were selected using a spatially distributed, randomized grid-based method to provide statistical representation of the study unit (grid wells).
Nine wells were selected to provide additional understanding of specific water-quality issues identified within the basin (understanding wells).
In the effect of the Truce of Jam Zapolski of 1582 the city along with southern regions of Livonian Confederation became part of the Polish–Lithuanian Commonwealth.
In 1598 it became the capital of the Dorpat Voivodeship of the Duchy of Livonia.
The Organizing Committee would like to thank all speakers, contributors, session chairs, referees and meeting staff for their efforts in making the FM&NT-2007 successful.During the period of Northern Crusades in the beginning of the 13th century the fort of Tarbatu (or Tharbata, Tartu) was captured by the crusading Livonian Knights — also known as the Brothers of the Sword (German: Schwertbrüder) — and recaptured by Estonians on several occasions.In 1224, after Ugaunia had recognized the supremacy of Novgorod and Pskov princes who sent additional troops led by prince Vyachko of Kukenois to the fort, it was besieged and conquered for one last time by the German crusaders.The number of registered participants from 14 countries was nearly 110.During three days of the conference 70 oral reports and 58 posters were presented, 50 papers, based on these reports, are included in this volume of Journal of Physics: Conference Series.A Jesuit grammar school "Gymnasium Dorpatense" was established in 1583.