{"id":2612,"date":"2025-02-13T13:01:46","date_gmt":"2025-02-13T09:01:46","guid":{"rendered":"https:\/\/biodiversity-armenia.am\/?page_id=2612"},"modified":"2025-04-13T12:51:59","modified_gmt":"2025-04-13T08:51:59","slug":"%d1%81oefficients-used-for-modeling","status":"publish","type":"page","link":"https:\/\/biodiversity-armenia.am\/en\/seea-ea\/ongoing-projects\/preliminary-results-on-ea\/%d1%81oefficients-used-for-modeling\/","title":{"rendered":"\u0421oefficients used for modeling"},"content":{"rendered":"\n

We apologize for possible errors in the machine translation of the site<\/mark><\/em><\/p>\n\n\n\n

\u0421oefficients used for InVEST modeling<\/strong> <\/p>\n\n\n\n

Table 1. Average number of days with rain by month<\/strong><\/p>\n\n\n\n

Climate zones<\/td>Cities<\/td>1<\/td>2<\/td>3<\/td>4<\/td>5<\/td>6<\/td>7<\/td>8<\/td>9<\/td>10<\/td>11<\/td>12<\/td><\/tr>
Moderate cool<\/strong><\/td>\u0421\u0435\u0432\u0430\u043d<\/td>1<\/td>2<\/td>4<\/td>7<\/td>12<\/td>13<\/td>9<\/td>6<\/td>5<\/td>2<\/td>1<\/td>2<\/td><\/tr>
\u0420\u0430\u0437\u0434\u0430\u043d<\/td>2<\/td>2<\/td>4<\/td>5<\/td>10<\/td>10<\/td>8<\/td>4<\/td>3<\/td>2<\/td>1<\/td>2<\/td><\/tr>
\u0421\u0442\u0435\u043f\u0430\u043d\u0430\u0432\u0430\u043d<\/td>1<\/td>1<\/td>4<\/td>6<\/td>11<\/td>10<\/td>5<\/td>3<\/td>3<\/td>2<\/td>1<\/td>2<\/td><\/tr>
\u0412\u0430\u043d\u0430\u0434\u0437\u043e\u0440<\/td>2<\/td>3<\/td>5<\/td>8<\/td>13<\/td>13<\/td>8<\/td>5<\/td>4<\/td>3<\/td>1<\/td>3<\/td><\/tr>
Average<\/strong><\/td>2<\/strong><\/td>2<\/strong><\/td>4<\/strong><\/td>7<\/strong><\/td>12<\/strong><\/td>12<\/strong><\/td>8<\/strong><\/td>5<\/strong><\/td>4<\/strong><\/td>2<\/strong><\/td>1<\/strong><\/td>2<\/strong><\/td><\/tr>
Moderate – humid<\/strong><\/td>\u0418\u0434\u0436\u0435\u0432\u0430\u043d<\/td>1<\/td>2<\/td>4<\/td>6<\/td>10<\/td>8<\/td>4<\/td>2<\/td>2<\/td>2<\/td>1<\/td>2<\/td><\/tr>
\u0414\u0438\u043b\u0438\u0436\u0430\u043d<\/td>1<\/td>2<\/td>4<\/td>6<\/td>11<\/td>12<\/td>6<\/td>4<\/td>3<\/td>2<\/td>1<\/td>2<\/td><\/tr>
\u0410\u043b\u0430\u0432\u0435\u0440\u0434\u0438<\/td>2<\/td>2<\/td>4<\/td>6<\/td>10<\/td>8<\/td>4<\/td>2<\/td>2<\/td>2<\/td>2<\/td>2<\/td><\/tr>
\u0413\u043e\u0440\u0438\u0441<\/td>2<\/td>2<\/td>4<\/td>5<\/td>9<\/td>5<\/td>3<\/td>1<\/td>2<\/td>2<\/td>2<\/td>2<\/td><\/tr>
Average<\/strong><\/td>2<\/strong><\/td>2<\/strong><\/td>4<\/strong><\/td>6<\/strong><\/td>10<\/strong><\/td>8<\/strong><\/td>4<\/strong><\/td>2<\/strong><\/td>2<\/strong><\/td>2<\/strong><\/td>2<\/strong><\/td>2<\/strong><\/td><\/tr>
Arid<\/strong><\/td>\u0410\u0440\u043c\u0430\u0432\u0438\u0440<\/td>4<\/td>4<\/td>5<\/td>4<\/td>7<\/td>7<\/td>5<\/td>3<\/td>4<\/td>4<\/td>3<\/td>4<\/td><\/tr>
\u0410\u0440\u0430\u0440\u0430\u0442<\/td>1<\/td>1<\/td>1<\/td>1<\/td>2<\/td>1<\/td>1<\/td>1<\/td>0<\/td>1<\/td>1<\/td>1<\/td><\/tr>
\u041c\u0435\u0433\u0440\u0438<\/td>2<\/td>2<\/td>4<\/td>4<\/td>6<\/td>3<\/td>1<\/td>1<\/td>1<\/td>2<\/td>2<\/td>2<\/td><\/tr>
Average<\/strong><\/td>2<\/strong><\/td>2<\/strong><\/td>3<\/strong><\/td>3<\/strong><\/td>5<\/strong><\/td>4<\/strong><\/td>2<\/strong><\/td>2<\/strong><\/td>2<\/strong><\/td>2<\/strong><\/td>2<\/strong><\/td>2<\/strong><\/td><\/tr>
Moderate – dry summer<\/strong><\/td>\u0413\u044e\u043c\u0440\u0438<\/td>1<\/td>1<\/td>2<\/td>3<\/td>6<\/td>5<\/td>3<\/td>2<\/td>1<\/td>1<\/td>1<\/td>1<\/td><\/tr>
\u0413\u0430\u0432\u0430\u0440<\/td>2<\/td>3<\/td>6<\/td>7<\/td>13<\/td>13<\/td>11<\/td>8<\/td>6<\/td>4<\/td>2<\/td>3<\/td><\/tr>
\u0412\u0430\u0440\u0434\u0435\u043d\u0438\u0441<\/td>2<\/td>1<\/td>4<\/td>4<\/td>9<\/td>9<\/td>7<\/td>4<\/td>3<\/td>2<\/td>2<\/td>2<\/td><\/tr>
\u0421\u0438\u0441\u0438\u0430\u043d<\/td>2<\/td>2<\/td>4<\/td>5<\/td>8<\/td>7<\/td>4<\/td>2<\/td>2<\/td>2<\/td>2<\/td>3<\/td><\/tr>
Average<\/strong><\/td>2<\/strong><\/td>2<\/strong><\/td>4<\/strong><\/td>5<\/strong><\/td>9<\/strong><\/td>9<\/strong><\/td>6<\/strong><\/td>4<\/strong><\/td>3<\/strong><\/td>2<\/strong><\/td>2<\/strong><\/td>2<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Table 2. Precipitation and the number of days with rain in selected cities <\/strong>(http:\/\/armenia.pogoda360.ru\/<\/a>1<\/a><\/sup>)<\/p>\n\n\n\n

Climate zones<\/td>Cities<\/td>May<\/td>June<\/td> <\/td><\/tr>
Days with rain<\/td>Precipi-tation, mm<\/td>Average rain, mm<\/td>Days with rain<\/td>\u041e\u0441\u0430\u0434\u043a\u0438, \u043c\u043c<\/td>Average rain, mm<\/td>Catastrophic rain, mm (50% of monthly precipitation)<\/td><\/tr>
Moderate cool<\/td>Sevan<\/td>12<\/td>140<\/td>12<\/td>13<\/td>157<\/td>12<\/td>79<\/td><\/tr>
Hrazdan<\/td>10<\/td>113<\/td>11<\/td>10<\/td>120<\/td>12<\/td>60<\/td><\/tr>
Stepanavan<\/td>11<\/td>141<\/td>13<\/td>10<\/td>130<\/td>13<\/td>65<\/td><\/tr>
Vanadzor<\/td>13<\/td>177<\/td>14<\/td>13<\/td>189<\/td>15<\/td>95<\/td><\/tr>
Average<\/td>12<\/td>143<\/td>12<\/td>12<\/td>149<\/td>13<\/td>75<\/td><\/tr>
Moderate relatively humid<\/td><\/td><\/td><\/td> <\/td><\/td><\/td><\/td><\/td><\/tr>
Idjevan<\/td>10<\/td>127<\/td>13<\/td>8<\/td>97<\/td>12<\/td>64<\/td><\/tr>
Dilijan<\/td>11<\/td>133<\/td>12<\/td>12<\/td>133<\/td>11<\/td>67<\/td><\/tr>
Alaverdi<\/td>10<\/td>134<\/td>13<\/td>8<\/td>100<\/td>13<\/td>67<\/td><\/tr>
Goris<\/td>9<\/td>103<\/td>11<\/td>5<\/td>63<\/td>13<\/td>52<\/td><\/tr>
Average<\/td>10<\/td>124<\/td>12<\/td>8<\/td>98<\/td>12<\/td>62<\/td><\/tr>
Arid<\/td><\/td><\/td><\/td> <\/td><\/td><\/td><\/td><\/td><\/tr>
Armavir<\/td>7<\/td>33<\/td>5<\/td>7<\/td>28<\/td>4<\/td>17<\/td><\/tr>
Ararat<\/td>2<\/td>39<\/td>20<\/td>1<\/td>20<\/td>20<\/td>20<\/td><\/tr>
Meghri<\/td>6<\/td>81<\/td>14<\/td>3<\/td>44<\/td>15<\/td>41<\/td><\/tr>
Average<\/td>5<\/td>51<\/td>10<\/td>4<\/td>31<\/td>8<\/td>26<\/td><\/tr>
Moderate with dry summer<\/td><\/td><\/td><\/td> <\/td><\/td><\/td><\/td><\/td><\/tr>
Gyumri<\/td>6<\/td>78<\/td>13<\/td>5<\/td>71<\/td>14<\/td>39<\/td><\/tr>
Gavar<\/td>13<\/td>147<\/td>11<\/td>13<\/td>166<\/td>13<\/td>74<\/td><\/tr>
Vardenis<\/td>9<\/td>109<\/td>12<\/td>9<\/td>99<\/td>11<\/td>55<\/td><\/tr>
Sisian<\/td>8<\/td>112<\/td>14<\/td>7<\/td>84<\/td>12<\/td>56<\/td><\/tr>
Average<\/td>9<\/td>112<\/td>12<\/td>9<\/td>105<\/td>12<\/td>56<\/td><\/tr>
Average<\/td><\/td>9<\/td>110<\/td>12<\/td>8<\/td>99<\/td>12<\/td>48<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Table 3. The coefficients Kc used for crops according to FAO<\/a><\/strong><\/p>\n\n\n\n

<\/td>Ini<\/td>Mid<\/td>End<\/td><\/tr>
GRAINS & LEGUMINOUS<\/td>0.35<\/td>1.15<\/td>0.47<\/td><\/tr>
POTATOES<\/td>0.5<\/td>1.15<\/td>0.75<\/td><\/tr>
VEGETABLES<\/td>0.65<\/td>1.1<\/td>0.87<\/td><\/tr>
MELONS<\/td>0.5<\/td>1<\/td>0.8<\/td><\/tr>
FRUITS <\/td>0.69<\/td>1.05<\/td>0.78<\/td><\/tr>
GRAPE<\/td>0.3<\/td>0.775<\/td>0.45<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Table 4. The share of the area of different agricultural crops in the climate zones, %<\/strong>.<\/p>\n\n\n\n

Climate zones<\/td>Provinces<\/td> GRAINS & LEGUMINOUS<\/td>POTATOES<\/td>VEGETABLES<\/td>MELONS<\/td>FRUITS AND BERRIES <\/td>GRAPE<\/td><\/tr>
Arid<\/td>Ararat and Armavir (average)<\/td>0.12<\/td>0.03<\/td>0.22<\/td>0.07<\/td>0.35<\/td>0.21<\/td><\/tr>
Moderate dry and Moderate cool<\/td>Gegharkunik and Shirak (average)<\/td>0.79<\/td>0.15<\/td>0.03<\/td>0.00<\/td>0.03<\/td>0.00<\/td><\/tr>
Moderte humid<\/td>Tavush<\/td>0.33<\/td>0.09<\/td>0.08<\/td>0.01<\/td>0.34<\/td>0.16<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Table 5. Kc values for croplands in the climatic zones<\/strong><\/p>\n\n\n\n

Climate zones<\/td>Ini<\/td>Mid<\/td>End<\/td><\/tr>
Arid<\/td>0.54<\/td>1.00<\/td>0.69<\/td><\/tr>
Moderate-dry<\/td>0.39<\/td>1.15<\/td>0.54<\/td><\/tr>
Moderate cool<\/td>0.39<\/td>1.15<\/td>0.54<\/td><\/tr>
Moderate-humid<\/td>0.50<\/td>1.06<\/td>0.64<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Table 6. The growing seasons of agricultural crops in the climate zones<\/strong><\/p>\n\n\n\n

Climate zones<\/td>1<\/td>2<\/td>3<\/td>4<\/td>5<\/td>6<\/td>7<\/td>8<\/td>9<\/td>10<\/td>11<\/td>12<\/td><\/tr>
Arid<\/td>bare<\/td>bare<\/td>ini<\/td>ini<\/td>max<\/td>max<\/td>max<\/td>max<\/td>end<\/td>end<\/td>bare<\/td>bare<\/td><\/tr>
Moderate dry <\/td>bare<\/td>bare<\/td>ini<\/td>ini<\/td>max<\/td>max<\/td>max<\/td>end<\/td>end<\/td>bare<\/td>bare<\/td>bare<\/td><\/tr>
Moderate cool<\/td>bare<\/td>bare<\/td>ini<\/td>ini<\/td>max<\/td>max<\/td>max<\/td>end<\/td>end<\/td>bare<\/td>bare<\/td>bare<\/td><\/tr>
Moderate humid<\/td>bare<\/td>bare<\/td>ini<\/td>ini<\/td>max<\/td>max<\/td>max<\/td>end<\/td>end<\/td>bare<\/td>bare<\/td>bare<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Table 7. Average LAI values by month \u200b\u200bfor natural vegetation in the climate zones based on Copernicus data<\/a><\/strong><\/p>\n\n\n\n

Land cover classes<\/td>Climate zones<\/td>1<\/td>2<\/td>3<\/td>4<\/td>5<\/td>6<\/td>7<\/td>8<\/td>9<\/td>10<\/td>11<\/td>12<\/td><\/tr>
Range-lands<\/td>Arid<\/td>0.2<\/td>0.2<\/td>0.3<\/td>0.6<\/td>1.2<\/td>0.6<\/td>0.5<\/td>0.4<\/td>0.3<\/td>0.3<\/td>0.2<\/td>0.2<\/td><\/tr>
Moderate dry<\/td>0.3<\/td>0.3<\/td>0.4<\/td>0.9<\/td>1.8<\/td>3<\/td>1.5<\/td>0.9<\/td>0.7<\/td>0.4<\/td>0.3<\/td>0.3<\/td><\/tr>
Moderate cool<\/td>0.2<\/td>0.3<\/td>0.3<\/td>1.0<\/td>1.7<\/td>2.2<\/td>2.2<\/td>1.2<\/td>0.6<\/td>0.4<\/td>0.3<\/td>0.3<\/td><\/tr>
Moderate humid<\/td>0.1<\/td>0.2<\/td>0.4<\/td>0.9<\/td>1.8<\/td>>3<\/td>3<\/td>1.5<\/td>1.3<\/td>0.7<\/td>0.3<\/td>0.2<\/td><\/tr>
Trees*<\/td>Moderate humid<\/td>0.2<\/td>0.3<\/td>0.4<\/td>1.0<\/td>>3<\/td>>3<\/td>>3<\/td>>3<\/td>3<\/td>1.5<\/td>0.3<\/td>0.3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Table 8.  Kc values used in the InVEST SWY and UC models<\/strong><\/p>\n\n\n\n

LC classes<\/td>Climate zones<\/td>1<\/td>2<\/td>3<\/td>4<\/td>5<\/td>6<\/td>7<\/td>8<\/td>9<\/td>10<\/td>11<\/td>12<\/td><\/tr>
Rangelands<\/td>Arid<\/td>0.07<\/td>0.07<\/td>0.1<\/td>0.2<\/td>0.4<\/td>0.2<\/td>0.16<\/td>0.13<\/td>0.1<\/td>0.1<\/td>0.07<\/td>0.07<\/td><\/tr>
Moderate dry<\/td>0.1<\/td>0.1<\/td>0.13<\/td>0.3<\/td>0.6<\/td>1<\/td>0.5<\/td>0.3<\/td>0.23<\/td>0.13<\/td>0.1<\/td>0.1<\/td><\/tr>
Moderate cool<\/td>0.07<\/td>0.1<\/td>0.1<\/td>0.33<\/td>0.6<\/td>0.7<\/td>0.7<\/td>0.4<\/td>0.2<\/td>0.13<\/td>0.1<\/td>0.1<\/td><\/tr>
Moderate humid<\/td>0.07<\/td>0.07<\/td>0.13<\/td>0.3<\/td>0.6<\/td>1<\/td>1<\/td>0.5<\/td>0.4<\/td>0.2<\/td>0.1<\/td>0.07<\/td><\/tr>
Trees*<\/td>Moderate humid<\/td>0.07<\/td>0.1<\/td>0.13<\/td>0.33<\/td>1<\/td>1<\/td>1<\/td>1<\/td>1<\/td>0.5<\/td>0.1<\/td>0.1<\/td><\/tr>
Croplands<\/td>Arid<\/td>0.8<\/td>0.8<\/td>0.54<\/td>0.54<\/td>1.00<\/td>1.00<\/td>1.00<\/td>1.00<\/td>0.69<\/td>0.69<\/td>0.5<\/td>0.8<\/td><\/tr>
Moderate dry <\/td>0.8<\/td>0.8<\/td>0.39<\/td>0.39<\/td>1.15<\/td>1.15<\/td>1.15<\/td>0.54<\/td>0.54<\/td>0.5<\/td>0.6<\/td>0.75<\/td><\/tr>
Moderate cool<\/td>0.8<\/td>0.8<\/td>0.39<\/td>0.39<\/td>1.15<\/td>1.15<\/td>1.15<\/td>0.54<\/td>0.54<\/td>0.5<\/td>0.6<\/td>0.75<\/td><\/tr>
Moderate humid<\/td>0.7<\/td>0.7<\/td>0.50<\/td>0.50<\/td>1.06<\/td>1.06<\/td>1.06<\/td>0.64<\/td>0.64<\/td>0.5<\/td>0.5<\/td>0.7<\/td><\/tr>
Bare ground<\/td>Arid<\/td>0.8<\/td>0.8<\/td>0.6<\/td>0.4<\/td>0.5<\/td>0.4<\/td>0.2<\/td>0.2<\/td>0.2<\/td>0.4<\/td>0.5<\/td>0.8<\/td><\/tr>
Moderate dry <\/td>0.8<\/td>0.8<\/td>0.7<\/td>0.7<\/td>0.9<\/td>0.8<\/td>0.8<\/td>0.7<\/td>0.5<\/td>0.5<\/td>0.7<\/td>0.7<\/td><\/tr>
Moderate cool<\/td>0.8<\/td>0.8<\/td>1.0<\/td>1.0<\/td>1.0<\/td>1.0<\/td>0.6<\/td>0.6<\/td>0.5<\/td>0.5<\/td>0.5<\/td>0.8<\/td><\/tr>
Moderate humid<\/td>0.7<\/td>0.7<\/td>0.8<\/td>0.8<\/td>0.9<\/td>0.8<\/td>0.4<\/td>0.2<\/td>0.3<\/td>0.5<\/td>0.5<\/td>0.7<\/td><\/tr><\/tbody><\/table>
* Forests in Armenia predominantly grow in the moderate humid climate zone.<\/figcaption><\/figure>\n\n\n\n

Table 9. Curve numbers used in InVEST model<\/strong>s<\/p>\n\n\n\n

Land cover classes<\/td>Climate zones<\/td>A<\/td>B<\/td>C<\/td>D<\/td><\/td><\/tr>
Cropland<\/td>Arid<\/td>60<\/td>74<\/td>83<\/td>87<\/td>The average values for row crops and orchards from [TR55], adjusted for their area share in different climatic zones of Armenia.<\/td><\/tr>
<\/td>Moderate Dry<\/td>69<\/td>79<\/td>86<\/td>90<\/td><\/tr>
<\/td>Moderate Cool<\/td>69<\/td>79<\/td>86<\/td>90<\/td><\/tr>
<\/td>Moderate Humid<\/td>60<\/td>74<\/td>83<\/td>87<\/td><\/tr>
Rangeland<\/td>Arid<\/td>55<\/td>71<\/td>81<\/td>89<\/td>Values for  arid and semiarid grasslands from [TR55]<\/td><\/tr>
<\/td>Moderate Dry<\/td>55<\/td>71<\/td>81<\/td>89<\/td><\/tr>
<\/td>Moderate Cool<\/td>49<\/td>69<\/td>79<\/td>84<\/td>Values for humid grasslands from [TR55]<\/td><\/tr>
<\/td>Moderate Humid<\/td>49<\/td>69<\/td>79<\/td>84<\/td><\/tr>
Trees<\/td>All<\/td>42<\/td>66<\/td>79<\/td>85<\/td>Values for deciduous broadleaf forests from [Hong&Adler]<\/td><\/tr>
Built-up<\/td>All<\/td>73<\/td>83<\/td>88<\/td>91<\/td>The average values between open space and impervious from (TR55), assuming a 50% development density<\/td><\/tr>
Bare<\/td>All<\/td>72<\/td>82<\/td>83<\/td>87<\/td>Hong&Adler<\/td><\/tr>
Snow<\/td>All<\/td>98<\/td>98<\/td>98<\/td>98<\/td>Asante<\/td><\/tr>
Water
Flooded veg.<\/td>		All<\/td>98<\/td>98<\/td>98<\/td>98<\/td>Asante<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"

We apologize for possible errors in the machine translation of the site \u0421oefficients used for InVEST modeling Table 1. Average number of days with rain by month Climate zones Cities 1 2 3 4 5 6 7 8 9 10 11 12 Moderate cool \u0421\u0435\u0432\u0430\u043d 1 2 4 7 12 13 9 6 5 2 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1545,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":"[{\"id\":\"97c24f41-400f-4a0b-9434-202e150f81e3\",\"content\":\"\"}]"},"class_list":["post-2612","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/biodiversity-armenia.am\/en\/wp-json\/wp\/v2\/pages\/2612","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/biodiversity-armenia.am\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/biodiversity-armenia.am\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/biodiversity-armenia.am\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/biodiversity-armenia.am\/en\/wp-json\/wp\/v2\/comments?post=2612"}],"version-history":[{"count":21,"href":"https:\/\/biodiversity-armenia.am\/en\/wp-json\/wp\/v2\/pages\/2612\/revisions"}],"predecessor-version":[{"id":3126,"href":"https:\/\/biodiversity-armenia.am\/en\/wp-json\/wp\/v2\/pages\/2612\/revisions\/3126"}],"up":[{"embeddable":true,"href":"https:\/\/biodiversity-armenia.am\/en\/wp-json\/wp\/v2\/pages\/1545"}],"wp:attachment":[{"href":"https:\/\/biodiversity-armenia.am\/en\/wp-json\/wp\/v2\/media?parent=2612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}