0000001831 00000 n Soil moisture is impacted by water uptake by plants, residue and vegetative cover, irrigation practices, drainage measures. ŏuU�jېR*ż5}i6�n\!#QJ����5��7Ƃl>~�{iZ\�|�T��ք�������R�K�}}����^�A���THI�]�Uph3���B~N/�B��2�3��$��?�S��9�}��V��I�w)��&��|�x��05�h��,��c�qhJs���H=擓�� "��=�y�V�҅-ƾ���B'�{�$^ߦƚ�4���̅vcm��������x2��G|�lS�M��~�X�����t/�L�Œ��B��m�9D�j��8Ӗ� ��L8�&"�z,�ڴ����xhv�����GBS�fW7>TLΒ��Z�)��27~2%#>�x��q䥪G�����n����w�/���� 0000012268 00000 n This spreadsheet uses the Manning formula to calculate the flow conditions in a circular pipe acting under gravity only. +J 0000007108 00000 n 0000009331 00000 n Infiltration is the downward entry of water into the soil. 0000010411 00000 n 0000014270 00000 n %PDF-1.3 %���� 0000000016 00000 n 0000003393 00000 n 0000002282 00000 n 0000010457 00000 n 0000168480 00000 n This spreadsheet calculates the requirements for a soakaway system and assists the user to design a suitable system. <> endobj 0000002279 00000 n Guidance on the magnitude of this factor of safety on the Infiltration rate of Soils is given below. "�̔!cB��� �����9���¢�9�Ԓ���OR`�d�Jë��s�HjQ��{� y�ե�a�)��<7��/�z�Ma-ūڴ:UU�~�4�׹:7�V�P>H�*ǁ|;��? <> 0000000016 00000 n 26 0 obj 0000001674 00000 n %%EOF 0000069771 00000 n endobj stream h�bb�f`b``Ń3� ���ţ�1����` �? endobj 0000004684 00000 n 0000229208 00000 n The test procedure is outlined here. ;�^^�� �X��+���&�N�nL����� �����^p4F�8"BN�V��B��PXK�����с���ɜ너P�)�Iz�XkWZ���c� z.�gD���+"E�h�=��U%[u�O�����9m��4�vE>���M�v��'�k�������T^���]�(�� 8 0 obj 0000002676 00000 n 0000004072 00000 n This spreadsheet uses the Colebrook-White and Darcy-Weisbach formulas to calculate the flow conditions in a circular pipe acting under gravity. 0000230297 00000 n 12 0 obj Intake Rate Intake rate is a measure of soil's capacity to absorb irrigation water from the surface, and move it into and through the soil profile. <> 0000012302 00000 n �)������ԓ\��O�� �aD��&q�vְ�X}��|y7� fHϔ���`HMl����&t�Y��}HE{8���-e��HoS�'KB�_r@Y��ś�:#}�0F���ڗ��D\DP*���6Ԯ��� �r� �5��O���)����f[d`���Ha�*S��T� ��G�O�#�H�XB��8�`��)bƃaDl #ޡ���~��D����|A'|��i� |�aa��#XZ_1=?�!a��r2 ��E���=%ƞhR{��1o0�A����Lg�qP�e�Lz��nK:|�з�ِ About this page. 25 0 obj /Parent 13 0 R 0000110792 00000 n "����N�H0�C>��� �6x��܉�너`�H�h�dSx�hʶvӅ���@粁��\ ��V����ƒ��^�$N^3�3����%�-�2��2k`�1o�z♖���S���B�PY�m{`���Y��p-c8Z�€h���D�h�N�L�\��bC`�϶�N�:�M�R~������|7D�����TJ��%�Z �JNuX�}�����P�B�Dt2�9��v@pC�@g��'�T��$�A! 0000099161 00000 n 0000046126 00000 n <> 0000008324 00000 n 0000001016 00000 n As soils become wet, infiltration rate slows to a steady rate 3 0 obj 0000037848 00000 n 0000223998 00000 n The infiltration rate is the velocity or speed at which water enters into the soil. endobj <<4B48763AEBAD2248947F8A9EEA3D3345>]/Prev 757118>> 15 0 obj 10 0 obj Annex 2 Infiltration rate and infiltration test. ?܆�O��nr�^�&�R�/��D���^�M��N��4��?�Ct�|�$��x�:�Uw�Y�H�ڕ�Xg�k��n�a�S�����͋E�I���yżB�0o���[�������9J�����y�\0Ȟ�#� 怬̊l̆L�����a�4{�=�fO�������6�M`�6�M`�6�M`�6�M`�6�G��P�C�M`�[@�=�@O�'�� �x ��y� \o�z��U�WY_Q_Y_Q_Y_Q_Y_Q_�^�z�s)�R�W�^弊y��B�,�� �}P�A�E�}P�AiV��=1���7��~���7��~���7��~���7��~���7��~�������<3�+a�͛���[�}���6�i[ϯ�y?c'�]�|����(|�� �1 Infiltration is the process by which water on the ground surface enters the soil. 0000193844 00000 n 0000010238 00000 n Because this definition involves no restrictions on area of application or divergence of flow in the soil, a description of the measuring method should be specified. 0000003250 00000 n 0000006095 00000 n 0000002388 00000 n It is usually measured by the depth (in mm) of the water layer that can enter the soil in one hour. stream 0000011197 00000 n 0000003948 00000 n endobj Table 3.—Steady-state infiltration rates* (Soils are wet deep into the profile. <>>> 0000080447 00000 n h�b```b``�d`e`��ef@ a����N:�/`~�{ÀPn��;OP�H� �I�:Uf�h���QT�vٝ����\��T�6�\:��F�v�9�����j�6����M�i��0:#��R�6���Q �� _D\�I�O[Ť����VPP�ؽ�����r$�� ��w#B���� �W`O�,���@�Qeb`l�����Ȑ����h�p��� ���]�T;> a�����L�0ʻ8}������:�;g�Ⱥj%f��� 0000084571 00000 n xref Infiltration rate is the rate at which the water actually infiltrates through the soil during a storm and it must be equal the infiltration capacities or the rainfall rate, which ever is lesser. There are several ways to assess the rate of infiltration of water into soil (the hydraulic conductivity), with the more sophisticated methods giving more detailed information. 0000054006 00000 n 0000001267 00000 n h�b```b``�������� ̀ �@16� @���K��֊Ve���������6�C���y���Vi�z�60tz��ݦ��M�%J���L�ʲ����M���u9�4��49il8c⥹���u��F}�o�X�w�=0�GaB�Ɔ#�fMO�z���Ѳ��}9]��R��b��R�8��RH�������).�q�GJWԕ��� p���Ky �$4���QPPH�U�FA���c�|�Հ��^�A���!�ACAzw�Pȏ!�!�A�A�����LN�On(> ����C�#�Í�E�d�W1sh홦�%DZ7hM}f�.�\�\G���~�`�`V��U�ߐ� � ��t�C / 㝉���aBë@�wW?X���#@� �꜕