Spatial and temporal averaging of observational data is widely used in many problems of meteorology, hydrology and related sciences. Several averaging methods have been proposed by various scientists and are used on a regular basis to obtain data averaged in space orfand in time, to yield data which are less influenced by random factors than initial point data are. The significance of averaging meteorological fields has substantially increased nowadays in connection with the problem of global climate change. However important as such change may be, it is very small as compared with the natural variability of atmospheric fields. An accurate averaging is absolutely necessary in order to discover a small climate change signal on the background of strong natural variability that acts as a random noise in this context. It is highly desirable not only to determine the averaged values themselves, but also to estimate the accuracy with which these values are known. To evaluate the accuracy of averaging is not a simple task mainly because the initial point values are not independent from each other, and interconnections between them substantially influence the averaging accuracy.

Spatial and temporal averaging of observational data is widely used in many problems of meteorology, hydrology and related sciences. Several averaging methods have been proposed by various scientists and are used on a regular basis to obtain data averaged in space orfand in time, to yield data which are less influenced by random factors than initial point data are. The significance of averaging meteorological fields has substantially increased nowadays in connection with the problem of global climate change. However important as such change may be, it is very small as compared with the natural variability of atmospheric fields. An accurate averaging is absolutely necessary in order to discover a small climate change signal on the background of strong natural variability that acts as a random noise in this context. It is highly desirable not only to determine the averaged values themselves, but also to estimate the accuracy with which these values are known. To evaluate the accuracy of averaging is not a simple task mainly because the initial point values are not independent from each other, and interconnections between them substantially influence the averaging accuracy.

In Systems for Instructional Improvement, Paul Cobb and his colleagues draw on their extensive research to propose a series of specific, empirically grounded recommendations that together constitute a theory of action for advancing instruction at scale. The authors outline the elements of a coherent instructional system; describe productive practices for school leaders in supporting teachers' growth; and discuss the role of district leaders in developing school-level capacity for instructional improvement. Based on the findings of an eight-year research-practice partnership with four large urban districts investigating their efforts to enhance middle school math instruction, the authors seek to bridge the gap between the literature on improving teaching and learning and the literature on policy and leadership. They look at the entire education system and make recommendations on improvement efforts with a focus on student learning and teachers' instructional vision. In particular, the authors offer insights on the interplay among various supports for teacher learning, including pullout professional development, coaching, collaborative inquiry, the most instructionally productive uses of principals' time, and the tensions that tend to emerge at the district level. They provide a guide for district-level leaders in organizing their work to support significant teacher learning. Systems for Instructional Improvement provides an invaluable resource for school and district leaders, while outlining a clearly focused agenda for future research.

This Is A New Release Of The Original 1830 Edition.

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1830. Being a Treatise on All the Diseases and Accidents to Which the Horse is Liable. The causes and symptoms of each and the most approved remedies employed for the cure in every case; with instructions to the shoeing-smith, farrier and groom; how to acquire knowledge in the art of farriery and the prevention of diseases preceded by a popular description of the animal functions in health and showing the principles on which these are to be restored when disordered. The Contents are divided into the following three books: The Origin and Seats of Various Diseases in the Horse explained, with a view to their Cure or Mitigation; The Causes and Symptoms of various Bodily Diseases incident to the Horse; with the most approved Remedies in every Case; and Of the Leg and Foot of the Horse; or, Shoeing-smith's Guide.

1830. Being a Treatise on All the Diseases and Accidents to Which the Horse is Liable. The causes and symptoms of each and the most approved remedies employed for the cure in every case; with instructions to the shoeing-smith, farrier and groom; how to acquire knowledge in the art of farriery and the prevention of diseases preceded by a popular description of the animal functions in health and showing the principles on which these are to be restored when disordered. The Contents are divided into the following three books: The Origin and Seats of Various Diseases in the Horse explained, with a view to their Cure or Mitigation; The Causes and Symptoms of various Bodily Diseases incident to the Horse; with the most approved Remedies in every Case; and Of the Leg and Foot of the Horse; or, Shoeing-smith's Guide.