… between the two data sets. In the years of 1976–1977, 1992–1993, 2004–2006 and 2019–2021, when the time series clearly showed negative deviations of the lake water … The greatest decrease in water levels occurred during the very dry and hot years of 2019 and 2020. For instance, in April 2018, the Groß Glienicker lake in Berlin went … to diminishing water levels and were offset by persistent precipitation. In January 2019 the Alps and their marginal areas experienced snow masses to an extent not seen …

… 2015 resulted in considerable volumes of damaged timber. However, in the years of 2019 to 2021 insect-related damage predominated. FW-I-5: Damaged timber – extent of … this period amounted to roughly 26 % compared to the average for the period of 2019 to 2021 amounting to 67.6 % which is more than double. The record value reached … These events led to an increase in the damaged timber statistics for 2018. As of 2019, the situation changed insofar, as pest insects accounted for the major part of …

… manifest themselves in Germany? The previous DAS Monitoring Report was issued in 2019. Since then, Germany has been confronted repeatedly with heatwaves, droughts, flash floods and flooding events. Even more strongly than in 2019, the impacts of global warming are reflected in the measured data contained in … a temperature in excess of 40 °C was measured 5 . In the years of 2018, 2019, 2020 and latterly in 2022, periods of great heat caused, in particular, stress …

… by the Foundation of German Pollen Information Service (PID), especially in 2019 and 2020 have demonstrated this. In 2019 the mean spring temperatures were distinctly higher by 1.3 °C and in 2020 by … and Vorpommern less than 70 litres of rain fell locally per square meter in 2019. In spring 2020 precipitation reached only some 50 % of its multi-annual …

… to rise again during the three years prior to the outbreak of the pandemic. In 2019 this number reached its maximum value so far. The total of 450,000 hours … significantly prior to the outbreak of the pandemic. The development from 2015 to 2019 demonstrates that the actual participants attended more frequently and / or … relief responders took part in THW’s training exercises. In the period from 2013 to 2019 on average only approximately 16,500 volunteers took part in the exercises. …

… scope of the problem. There was increasing evidence of the canopy breaking up. From 2019 onwards, it became obvious that all tree species (including a proportion of … use) of damaged timber, compared to the logging total, reached record values in 2019, amounting to 67 % and in 2020 reaching almost 75 % (cf. Indicator FW-I-5 ). In … or arbitrary use of damaged timber had been due to severe storm events. As of 2019, the ‘insect timber’ amounted to just under 70 % whereas by 2021 it distinctly …

… 145 - Sieker H., Steyer R., Büter B., Leßmann D., Tils R. von, Becker C., Hübner S. 2019: Untersuchung der Potentiale für die Nutzung von Regenwasser zur Verdunstungskühlung in Städten. Umweltbundesamt (Hg.). Texte, 111/2019, Desdsau-Roßlau, 112 pp. https:// www.umweltbundesamt.de/sites/default/files/medien/1410/publikationen/2019-09-16_texte_111-2019_verdunstungskuehlung.pdf . 146 - Mann G., Fischer B., …

… areas in Germany, the coastal regions are most strongly affected by seasonality. In 2019, prior to the Covid-19 pandemic, bed-night figures in this area ranged from … 2 million overnight guests accounted for bed-nights in the demand-poorest months of 2019, while in the strongest month, demand reached just under 6 million bed-nights. … areas with the exception of urban-type areas. This meant, up to and including 2019, that the nationwide increasing bed-night figures increased slightly less in …