However, this hypothesis currently has three complications: underestimation
of continental water storage and its confusion with
minor lake and river water volume with
respect to sea - level change equivalent (< 1 m) 2,30,33;
lack of direct evidence
of continental water storage from the geological record; and poorly understood mechanisms and timescales
of aquifer eustasy27, 28,31,32,34.
(Citizenship
of the Union — Article 20 TFEU − Directive 2003 / 86 / EC − Right to family reunification − Union citizens who are
minor children living with their mothers, who are third country nationals, in the territory
of the Member State
of which the children are nationals — Permanent right
of residence in that Member State
of the mothers who have been granted sole custody
of the Union citizens — Change in composition
of the families following the mothers» remarriage to third country nationals and the birth
of children
of those marriages who are also third country nationals — Applications for family reunification in the Member State
of origin
of the Union citizens — Refusal
of the right
of residence to the new spouses on the ground
of lack of sufficient resources — Right to
respect for family life — Taking into consideration
of the children's best interests)