Colorado water history: a bibliography

March 2008.Water is at the heart of Colorado's past and future. Ongoing debates - even lawsuits - regarding water show the importance this vital resource to the state and to the West. Combined with natural disasters such as floods and drought, or human concerns such as pollution and recreation, water issues have drawn an increasing degree of public attention. For water professionals, students, and interested citizens, knowing the history of our water resources can lead to a better understanding of current issues and events. The Colorado Water History Bibliography is a helpful resource for those wanting to learn more about this timely and significant topic. This bibliography is not intended to be comprehensive. Rather, it is a selective listing of core books on the topic that are generally accessible to the public, both in terms of content and availability. In addition to illuminating books already written about Colorado's water, this list reveals areas ripe for research. There are clearly holes in the writings about our state's rich water history, waiting to be filled in by generations of scholars yet to come

The Mannheim Corona study: Life in Germany in a state of emergency : Report for March 20 to July 09, 2020

We are all affected by the corona pandemic and the measures taken by the federal government to decelerate the spread of the virus. At the University of Mannheim, we have developed a survey instrument over the past eight years which we can use to quickly examine the social implications of the pandemic in Germany. To the best of our knowledge, our study is the only one in Germany which can assess how the corona crisis is affecting people’s lives in Germany on a daily basis. That is why we consider it as our social duty to contribute to a better understanding of how the corona crisis is affecting the population and to inform the public as well as decision-makers in politics and business about current developments. The Mannheim Corona Study started on Friday, March 20. The study is carried out daily and reports on life in Germany during the corona crisis. We examine social and economic aspects (such as childcare, employment situations, and disposable income), the influence of political measures on social interactions, anxiety as well as public acceptance of the measures taken to contain the pandemic. Between 411 und 643 (on average 489) respondents take part in the study every day

The Mannheim Corona study: life in Germany in a state of emergency : report for March 20 to May 28, 2020, English translation of the original report (in German)

We are all affected by the corona pandemic and the measures taken by the federal government to decelerate the spread of the virus. At the University of Mannheim, we have developed a survey instrument over the past eight years which we can use to quickly examine the social implications of the pandemic in Germany. To the best of our knowledge, our study is the only one in Germany which can assess how the corona crisis is affecting people’s lives in Germany on a daily basis. That is why we consider it as our social duty to contribute to a better understanding of how the corona crisis is affecting the population and to inform the public as well as decision-makers in politics and business about current developments. The Mannheim Corona Study started on Friday, March 20. The study is carried out daily and reports on life in Germany during the corona crisis. We examine social and economic aspects (such as childcare, employment situations, and disposable income), the influence of political measures on social interactions, anxiety as well as public acceptance of the measures taken to contain the pan

The Mannheim Corona Study: Life in Germany in a state of emergency : Report for March 20 to June 30, 2020 ; English translation of the original report (in German)

We are all affected by the corona pandemic and the measures taken by the federal government to decelerate the spread of the virus. At the University of Mannheim, we have developed a survey instrument over the past eight years which we can use to quickly examine the social implications of the pandemic in Germany. To the best of our knowledge, our study is the only one in Germany which can assess how the corona crisis is affecting people’s lives in Germany on a daily basis. That is why we consider it as our social duty to contribute to a better understanding of how the corona crisis is affecting the population and to inform the public as well as decision-makers in politics and business about current developments

Robust Magnetic Order Upon Ultrafast Excitation of an Antiferromagnet

The ultrafast manipulation of magnetic order due to optical excitation is governed by the intricate flow of energy and momentum between the electron, lattice, and spin subsystems. While various models are commonly employed to describe these dynamics, a prominent example being the microscopic three temperature model (M3TM), systematic, quantitative comparisons to both the dynamics of energy flow and magnetic order are scarce. Here, an M3TM was applied to the ultrafast magnetic order dynamics of the layered antiferromagnet GdRh2Si2. The femtosecond dynamics of electronic temperature, surface ferromagnetic order, and bulk antiferromagnetic order were explored at various pump fluences employing time- and angle-resolved photoemission spectroscopy and time-resolved resonant magnetic soft X-ray diffraction, respectively. After optical excitation, both the surface ferromagnetic order and the bulk antiferromagnetic order dynamics exhibit two-step demagnetization behaviors with two similar timescales (<1 ps, ∼10 ps), indicating a strong exchange coupling between localized 4f and itinerant conduction electrons. Despite a good qualitative agreement, the M3TM predicts larger demagnetization than the experimental observation, which can be phenomenologically described by a transient, fluence-dependent increased Néel temperature. The results indicate that effects beyond a mean-field description have to be considered for a quantitative description of ultrafast magnetic order dynamics

Accretion in Evolved and Transitional Disks in Cep OB2: Looking for the Origin of the Inner Holes

We present accretion rates for a large number of solar-type stars in the Cep OB2 region, based on U band observations. Our study comprises 95 members of the ~4 Myr-old cluster Tr 37 (including 20 "transition" objects; TO), as well as the only CTTS in the ~12 Myr-old cluster NGC 7160. The stars show different disk morphologies, with the majority of them having evolved and flattened disks. The typical accretion rates are about one order of magnitude lower than in regions aged 1-2 Myr, and we find no strong correlation between disk morphology and accretion rates. Although half of the TO are not accreting, the median accretion rates of normal CTTS and accreting "transition" disks are similar (~3 10^{-9} and 2 10^{-9} Msun/yr, respectively). Comparison with other regions suggests that the TO observed at different ages do not necessarily represent the same type of objects, which is consistent with the fact that the different processes that can lead to reduced IR excess/inner disk clearing (e.g., binarity, dust coagulation/settling, photoevaporation, giant planet formation) do not operate on the same timescales. Accreting TO in Tr 37 are probably suffering strong dust coagulation/settling. Regarding the equally large number of non-accreting TO in the region, other processes, like photoevaporation, the presence of stellar/substellar companions, and/or giant planet formation may account for their "transitional" SEDs and negligible accretion rates.Comment: 37 pages, 5 figures, 6 tables Accepted by Ap

Die Mannheimer Corona-Studie: Schwerpunktbericht zu Erwerbstätigkeit und Kinderbetreuung

Die Corona-Pandemie verändert das Leben und den Alltag der Deutschen. In diesem Schwerpunktbericht der Mannheimer Corona-Studie richten wir den Blick auf die Arbeitswelt und darauf wie die Kinder in Deutschland betreut werden. Welche Auswirkungen auf Beruf und Erwerbstätigkeit sehen wir rund drei Wochen nachdem die ersten Maßnahmen zur Pandemiebekämpfung eingeführt wurden? Und wie gelingt es den Menschen in Deutschland neben der Arbeit die Betreuung ihrer Kinder zu organisieren wenn Kindertagesstätten und Schulen geschlossen sind? Zur Beantwortung dieser Fragen stellen wir die Ergebnisse der täglich durchgeführten Erhebung vom 20. März bis einschließlich 2. April 2020 vor. Wir zeigen, wer nach wie vor beim Arbeitgeber vor Ort arbeitet, wer im Home-Office und wer in Kurzarbeit. Wer ist von Freistellung oder sogar Arbeitslosigkeit betroffen? Insbesondere untersuchen wir, welche soziale Gruppen - also beispielsweise Personen mit wenig Bildung oder niedrigem Einkommen - von den wirtschaftlichen Auswirkungen der Krise betroffen sind. In Bezug auf die Kinderbetreuung differenzieren wir nach verschiedenen Betreuungsformen innerhalb und außerhalb des Haushalts. Hier untersuchen wir auch, wie sich Eltern die Betreuungsarbeit untereinander aufteilen

Die Mannheimer Corona-Studie: Gesellschaftliche Akzeptanz politischer Maßnahmen und befürchtete Konsequenzen für die Wirtschaft

In diesem Wochenbericht geht es uns um politische Maßnahmen, die in Deutschland bereits ergriffen wurden oder noch ergriffen werden können, um die Verbreitung des Coronavirus spürbar einzudämmen. Insbesondere gehen wir den Fragen nach, ob die ergriffenen Maßnahmen erfolgreich private soziale Kontakte reduzieren konnten und wie hoch die Akzeptanz ausgewählter Maßnahmen in der deutschen Bevölkerung ist. Darüber hinaus ermitteln wir, inwiefern die Bürger*innen die gewählten Mittel für angemessen halten und ob sie den damit einhergehenden wirtschaftlichen Schaden für zu hoch halten

Die Mannheimer Corona-Studie: Das Leben in Deutschland im Ausnahmezustand : Bericht zur Lage vom 20. März bis 30. Juni 2020

Wir alle in Deutschland sind von der Corona-Pandemie und den damit verbundenen Maßnahmen betroffen. An der Universität Mannheim haben wir in den vergangenen acht Jahren ein Instrument entwickelt, mit dem wir kurzfristig die gesellschaftliche Lage in Deutschland erfassen und untersuchen können. Unseres Wissens nach sind wir die Einzigen, die tagesaktuell erheben können, wie die Corona-Krise das Leben der Menschen in Deutschland beeinflusst. Deshalb sehen wir es als unsere gesellschaftliche Pflicht, dazu beizutragen, den Einfluss der Corona-Krise auf die Bevölkerung besser zu verstehen und die Öffentlichkeit sowie Entscheidungsträger in Politik und Wirtschaft täglich über die die Entwicklungen zu informieren. Die Mannheimer Corona-Studie ist am Freitag, dem 20. März, gestartet. Die Studie wird täglich erhoben und berichtet über das Leben in Deutschland in der Corona-Krise. Dabei untersuchen wir sowohl sozial-/wirtschaftliche Aspekte (z.B. Kinderbetreuung, Arbeitssituationen und verfügbares Einkommen), als auch den Einfluss politischer Maßnahmen auf soziale Interaktionen, Ängste, sowie die gesellschaftliche Akzeptanz der Maßnahmen zur Eindämmung der Pandemie. An der Studie nehmen täglich zwischen 420 und 643 (im Durchschnitt 492) Befragte teil. Die Inhalte dieses Berichts werden wir werktags aktualisieren und auf unserer Webseite zur Verfügung stellen. Außerdem werden wir zu gewissen Schwerpunktthemen tiefergehende Analysen durchführen, die dann ebenfalls auf unserer Webseite veröffentlicht werden. Informationen zur Methodik der Mannheimer Corona-Studie finden Sie am Ende dieses Berichts. Weitere Informationen finden Sie auf unserer Webseite:https://www.uni-mannheim.de/gip/corona-studie