1. Department of Solar Energy and Environmental Physics, Swiss Institute for Dryland Environmental and Energy Research, Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede Boqer Campus, Midreshet Ben-Gurion 8499000, Israel
2. Institute for Mathematics, Carl von Ossietzky University of Oldenburg, PF 2503, 26111 Oldenburg, Germany
3. Department of Physics, Ben-Gurion University of the Negev, Be’er Sheva 8410501, Israel