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2 2017

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Ocena wielkości współczynnika potencjalnej redukcji azotanów w wodach podziemnych dla obszaru Polski

Żurek A. J., Wachniew P., Witczak S.

Przegląd Geologiczny

2017

Vol. 65, nr 11/2

1416--1420

During transportfrom the field to the sea nitrogen undergoes natural reduction resulted mainly from denitrification, but with large spatial variations. In the present study, a map for spatially variable nitrate reduction in groundwater in the area of Poland is presented. The map was preparing following 3 steps: (i) identification of major hydrogeological units (Lowland and Mountain-Upland Provinces); (ii) identification of dominating lithology with use lithotypes classifications from Groundwater Vulnerability Map of Poland in scale 1 : 500 000; (iii) estimation of the influence of artificial drainage. The resulted distribution of nitrate reduction coefficient reveals a distinct bimodality related to the sharp contrast in hydrogeology between the two provinces.

Evaluation of selected maps used in early school education in Poland and proposal of a new solution

Słomska K.

Polish Cartographical Review

2017

Vol. 49, No. 2

67--77

The author presents criteria of evaluation and assumption for early school education maps. Attention was payed to needs and perceptual possibilities of map users and cartographic correctness of maps. Main criteria of map evaluation - content and form of a map - have their unique attributes. In case of the first criterion they are accuracy and currency, classification of content and usability. Second criterion consist of: composition, colours, labels on the map and readability. Materials commissioned by Ministry of National Education were evaluated on the said criteria basis. Evaluation of maps for early school education revealed their flaws, among which absence of a scale can be named. Afterwards assumptions were developed and used to prepare own proposal of a map. Achieving maximum readability was a priority. Other assumptions concerned graphic balance, classification and hierarchy of content, simplicity of elaboration, usage of readable typefaces and adjustment of transmission to the age of users.