Table 2 Correlation matrix of the content of heavy metals in bottom sediments of the Bratsk Reservoir.

From: Composition and physico-chemical properties of bottom sediments in the southern part of the Bratsk Reservoir (Russia)

Characteristic

Agg

SD

D

Co

Cr

Cu

Mn

Ni

Pb

Th

V

Zn

CaCO3

MgCO3

Сorg

SD

0.850

              

D

0.648

0.652

             

Co

0.823

0.588

0.510

            

Cr

0.598

0.420

0.417

0.828

           

Cu

0.658

0.487

0.495

0.886

0.962

          

Mn

0.287

0.593

0.442

0.093

0.003

−0.054

         

Ni

0.849

0.561

0.567

0.956

0.873

0.887

0.071

        

Pb

0.597

0.630

0.562

0.651

0.783

0.806

0.258

0.645

       

Th

0.301

0.045

0.006

0.524

0.706

0.675

−0.402

0.556

0.434

      

V

0.058

0.199

−0.039

0.386

0.479

0.501

0.065

0.261

0.406

0.066

     

Zn

0.629

0.494

0.479

0.865

0.933

0.959

−0.001

0.855

0.776

0.505

0.608

    

CaCO3

−0.654

−0.537

−0.400

−0.452

−0.409

−0.405

−0.021

−0.524

−0.456

−0.065

−0.156

−0.490

   

MgCO3

−0.065

−0.067

0.046

0.282

0.442

0.414

−0.079

0.210

0.320

0.518

0.473

0.325

0.058

  

Сorg

0.194

0.288

0.459

0.033

−0.246

−0.094

0.223

−0.026

0.089

−0.686

0.022

0.058

−0.313

−0.497

 

Sws

−0.210

−0.396

0.178

−0.042

−0.261

−0.151

−0.334

−0.110

−0.304

−0.022

−0.334

−0.202

0.163

0.203

0.217

  1. Explanations:
  2. Agg – the content of pelitic particles (<0.01 mm) in samples with aggregate preparation;
  3. SD – the same, with semi-dispersed preparation;
  4. D – the same, with dispersed preparation.