Eping the scale from the graduated cell values enabled in obtaining a constant data representation which is usually compared all through the years. This is a fundamental GIS process in order to represent interpolated information for massive areas and it was completed by utilizing QuantumGIS (QGIS) application, version 3.ten.Appl. Sci. 2021, 11, x FOR PEER REVIEW7 ofAppl. Sci. 2021, 11,polygon grid was created and altered in line with the river flow. This grid exceeds th 7 of 15 location of interest, but by performing this its cell size is exaggerated adequate to represent the dat accurately (Figure 3, up and middle).Figure three. Grid processing actions: up–grid creation for the whole location, middle–altering the grid t Figure 3. Grid processing measures: up–grid creation for the whole region, middle–altering the grid towards the river flow, down–graduated quantile classes of your interpolated data. the river flow, down–graduated quantile classes on the interpolated data.three. Results and Discussion So that you can give the grid cells interpolated values along the river course, the yearlThe statistical analysis on the nutrient concentrations from the Chilia branch surface values on the parameter had been interpolated. The raster D-Phenylalanine Metabolic Enzyme/Protease outcome was sampled in accordance with th water requires methodologies that permit the evaluation of trends as well as a high degree of grid’s cell centroids and after that the attributes of your samples were transferred to the cell self-assurance. Fluorometholone Autophagy Combining spatial analysis by utilizing GIS tools with nutrient concentration data, The resulting grid cells had been colordisplayed based on 10 graduated quantile classes (Fig an easy-to-visualize solution can be obtained, valuable for water good quality management [28]. ure 3, down). Exactly the same methodology was applied for each of the yearly values from the param Ammonium nitrogen is present in the surface water on the Chilia branch at quite low eter and by keeping the scale in the graduated cell values enabled in obtaining a consisten concentrations, which usually do not exceed the limit value corresponding to very good ecological information representation which could be compared all through the years. This is a standard GIS pro status [32]. With one exception (Periprava 2014), nitrite nitrogen will not exceed the cedure to be able to represent interpolated data for big places and it was carried out by usin common top quality. Nitrate nitrogen, phosphorus from orthophosphate, and total phosphorus QuantumGIS (QGIS) application, version three.ten. also usually do not exceed the typical limits (Table 2). On account of organic nitrogen, total nitrogen includes a unique variation with highest values (more than the maximum limit) in 2015 at sampling points and also in 2018 (Bastroe downstream). The high content material of organic nitrogen, three. Outcomes and Discussion in comparison with the low content material of inorganic nitrogen, is due to the truth that organic nitrogen The statistical evaluation in the nutrient concentrations from the Chilia branch surfac seems to become assimilated by aquatic organisms at a a lot reduce rate than inorganic types water demands methodologies that permit the evaluation of trends plus a high degree of con of nitrogen [34]. Furthermore, some nitrogen contained in organic matter generally resists fidence. Combining spatial evaluation by using GIS tools with nutrient concentration information, a bacterial action and remains in water or sediment [35]. easytovisualize solution might be obtained, useful for water excellent management [28]. Analyzing the minimum and maximum values throughout the investigation period, the Ammonium nitrogen is present within the surface water.