Everything about 2nd Animal burrows survey on the Prosperpolder levee id;activity_name;activity_type;activity_descriptor;breaching;animal;erosion;temporary;levee_survey;prolonged;start_date;end_date;date_length_day;date_length_hour;date_other;levee_stretch;location_x;location_y;location_z;location_descriptor;location_other;objectif_important;objectif_knowledge;pre_condition;act_des;monitoring_process;monitoring_reasoning;limits;during_activity;post_activity;activity_result;results_conc;knowledge_desc;ref_links;wrk_1;wrk_2;wrk_3;key_info 58;2nd Animal burrows survey on the Prosperpolder levee;Survey;A 4m-wide levee section was surveyed with a visual inspection and subsequently scanned with GPR. Some clusters of burrows were tested with an improved version of the smoke test to evaluate its effectiveness and to identify interconnected burrows. In the end, a cluster of small burrows was grouted with concrete in order to be excavated by students in the upcoming winter school weekend.;False;True;False;False;True;False;2021-10-06 08:30:00;2021-10-07 18:00:00;2;16.0;;IV;51.340938;4.239272;7.58;;;"To compare survey results derived with four different methods; 1. visual inspection, 2. GPR scanning, 3. Smoke test and 4. Grouting and excavation.";Assess overall accuracy and feasibility of detection and monitoring methods in the management of animal burrows on levees.;;;;;;;;;;;;True;True;True; All DATA concerning 2nd Animal burrows survey on the Prosperpolder levee data_type;data_descripion;date_date;data_find;data_media;data_media_find xls file ;The file indicates the location of every burrow in relation to the coordinates of this activity, their depth and diameter.;;https://stowanl-my.sharepoint.com/:x:/g/personal/llhpp_stowa_nl/Eclq4QeCeehKsWEp5VYCymgBUjZZl2LUYDw2RdH0VR4kSg?e=s8qM0E;; Report;Supporting information about the data collection and analysis related to this activity;;https://stowanl-my.sharepoint.com/:b:/g/personal/llhpp_stowa_nl/EYvsZOvA6elNhvx9tqYiBCIBkJvSw9tBu5LCEZkjWuaFcw?e=SOIKDc;; GPR scan of surveyed section;;;https://stowanl-my.sharepoint.com/:p:/g/personal/llhpp_stowa_nl/EVcj1NgM8f9IoW-b46Q9X7MBzjtN6dlQZ6tg9hBOnFmxQw?e=rpjMv6;; Pictures;Execution of the smoke test;;https://stowanl-my.sharepoint.com/:f:/g/personal/llhpp_stowa_nl/Eh0BNAx__V1Ll4xp9THte_gBbxOLJbDfaApglgTTu7YKbg?e=HCvKMD;; All EQUIPMENTS concerning 2nd Animal burrows survey on the Prosperpolder levee No equipment added All SENSORS concerning 2nd Animal burrows survey on the Prosperpolder levee No sensors added