On Gras conjecture for imaginary quadratic fields

In this paper we extend methods of Rubin to prove the Gras conjecture for abelian extensions of a given imaginary quadratic field k and prime numbers p which divide the number of roots of unity in k.Comment: accepted for publication in Canadian Mathematical Bulleti

Water Integration for Squamscott Exeter (WISE): Preliminary Integrated Plan, Final Technical Report

This document introduces the goals, background and primary elements of an Integrated Plan for the Lower Exeter and Squamscott River in the Great Bay estuary in southern New Hampshire. This Plan will support management of point (wastewater treatment plant) and nonpoint sources in the communities of Exeter, Stratham and Newfields. The Plan also identifies and quantifies the advantages of the use of green infrastructure as a critical tool for nitrogen management and describes how collaboration between those communities could form the basis for an integrated plan. The Plan will help communities meet new wastewater and proposed stormwater permit requirements. Critical next steps are need before this Plan will fulfill the 2018 Nitrogen Control Plan requirements for Exeter and proposed draft MS4 requirements for both Stratham and Exeter. These next steps include conducting a financial capability assessment, development of an implementation schedule and development of a detailed implementation plan. The collaborative process used to develop this Plan was designed to provide decision makers at the local, state and federal levels with the knowledge they need to trust the Plan’s findings and recommendations, and to enable discussions between stakeholders to continue the collaborative process. This Plan includes the following information to guide local response to new federal permit requirements for treating and discharging stormwater and wastewater: Sources of annual pollutant load quantified by type and community; Assessment and evaluation of different treatment control strategies for each type of pollutant load; Assessment and evaluation of nutrient control strategies designed to reduce specific types of pollutants; Evaluation of a range of point source controls at the wastewater treatment facility based on regulatory requirements; Costs associated with a range of potential control strategies to achieve reduction of nitrogen and other pollutants of concern; and A preliminary implementation schedule with milestones for target load reductions using specific practices for specific land uses at points in time; Recommendations on how to implement a tracking and accounting program to document implementation; Design tools such as BMP performance curves for crediting the use of structural practices to support nitrogen accounting requirements; and Next Steps for how to complete this Plan

Assessing the Risk of 100-year Freshwater Floods in the Lamprey River Watershed of New Hampshire Resulting from Changes in Climate and Land Use

What is the coastal resource issue the project sought to address? Both the magnitude and frequency of freshwater flooding is on the rise in seacoast NH and around much of New England. In the Great Bay watershed, this is the result of two primary causes: 1) increases in impervious surface stemming from a three-to-four fold increase in developed land since 1962; and 2) changing rainfall patterns in part exemplified by a doubling in the frequency of extreme weather events that drop more than 4 inches of precipitation in less than 48 hours (Wake et al., 2011) over the same time period. Moreover, the size of the 100-year precipitation event in this region has increased 26% from 6.3 inches to 8.5 inches from the mid 1950’s to 2010 (NRCC and NRCS, 2012). One consequence is the occurrence of three 100-year floods measured on the Lamprey River at Packers Falls since 1987, and a fourth if the three days of flooding in March of 2010 had occurred instead in two days (Figure 1). Flooding events are expected to continue to increase in magnitude and frequency as land in the watershed is further developed and climate continues to change in response to anthropogenic forcing (e.g., Hayhoe et el., 2007; IPCC, 2007; Karl et al., 2009). Land use management strategies, in particular low impact development (LID) zoning requirements, are one strategy that communities can employ for increased resiliency to flooding with the greatest influence in urban environments

It takes two to tango: improving patient referrals from the emergency department to inpatient clinicians

Background: The transfer of responsibility for patient care across clinical specialties is a complex process. Published and anecdotal data suggest that referrals often fail to meet the needs of one or both parties and that patient focus can be lost during the process. Little is known about the Australian situation. Methods: To obtain a more complete understanding of the referral process, including the nature of communication in an Australian context, we conducted semistructured interviews in a convenience sample of 25 volunteers. Two established strategies for analyzing qualitative data were used. Results: All respondents considered the following information essential components of a referral: an account of the patient’s current condition, a working diagnosis or problem statement and history of the presenting concern, key test results or tests awaiting results, a potential management plan, and any special characteristics of the patient. Respondents acknowledged implied, if not literal, power to accept or reject an emergency department (ED) referral and said the imbalance of power was reinforced when the ED physician was junior to the inpatient clinician. Respondents also noted that in addition to the predominant organizational culture, an independent culture is associated with specific shifts. Foremost among the nonclinical aspects of a referral considered to be important was the timeliness of the contact made to achieve the transition. Respondents also said the success of a referral depended on the speaking and listening abilities of all parties. The individual’s motivation to accept or reject a referral can also have an impact on communication. Conclusion: Respondents attributed the difficulty of negotiating the transfer of a patient’s care across the ED and inpatient interface to three distinct factors: variations in the clinical information required, the culture of the organization and of the clinical team in which the transaction takes place, and the characteristics of the individuals involved in the process. Improving communication skills has the potential to improve patient outcomes

Assessing the Risk of 100-year Freshwater Floods in the Lamprey River Watershed of New Hampshire Resulting from Changes in Climate and Land Use

What is the coastal resource issue the project sought to address? Both the magnitude and frequency of freshwater flooding is on the rise in seacoast NH and around much of New England. In the Great Bay watershed, this is the result of two primary causes: 1) increases in impervious surface stemming from a three-to-four fold increase in developed land since 1962; and 2) changing rainfall patterns in part exemplified by a doubling in the frequency of extreme weather events that drop more than 4 inches of precipitation in less than 48 hours (Wake et al., 2011) over the same time period. Moreover, the size of the 100-year precipitation event in this region has increased 26% from 6.3 inches to 8.5 inches from the mid 1950’s to 2010 (NRCC and NRCS, 2012). One consequence is the occurrence of three 100-year floods measured on the Lamprey River at Packers Falls since 1987, and a fourth if the three days of flooding in March of 2010 had occurred instead in two days (Figure 1). Flooding events are expected to continue to increase in magnitude and frequency as land in the watershed is further developed and climate continues to change in response to anthropogenic forcing (e.g., Hayhoe et el., 2007; IPCC, 2007; Karl et al., 2009). Land use management strategies, in particular low impact development (LID) zoning requirements, are one strategy that communities can employ for increased resiliency to flooding with the greatest influence in urban environments

Contextual constraints on noun distributions to some English verbs by children and adults

The cloze procedure was used to obtain noun distributions for subjects and objects of 36 common English transitive verbs in active and passive sentence frames. For third and sixth grade and college students, the subject nouns selected were more human and animate than object nouns, linguistic selectional rules correctly predicted relative animacy, humanness, and informational uncertainty for each function, and subject-object interacted on all these properties with active-passive. Distributions obtained from adults contained more inanimate nouns (where permissible), more information uncertainty, and had smaller intersections with each other than complementary distributions obtained from children.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/34162/1/0000450.pd