GLOBE Site to support the European Phenology Campaign https://www.globe.gov/c/message_boards/find_category?p_l_id=18703103&mbCategoryId=0 2026-09-12T23:47:38Z 2026-09-12T23:47:38Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=176010062 2025-12-10T10:18:55Z 2025-12-10T10:18:55Z

Hello from Đurmanec, Croatia!<br />This is the result for our birch observations. All leaves have fallen. Best regards!<br /><img src="https://www.globe.gov/documents/d/european-phenology-campaign/10-12-2025_11-08-13_rec-png?imagePreview=1" height="378" />

Branka Žnidarić 2025-12-10T10:18:55Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=174185926 2025-11-11T15:53:39Z 2025-11-11T15:53:39Z

Hello from Đurmanec, Croatia!<br />Birch<br />Two of our leaves have fallen, the other two are 2,5 Y 8/12. It&#39;s cold with temperature 6°C.<br /><img src="https://www.globe.gov/documents/d/european-phenology-campaign/20251111_115700-jpg?imagePreview=1" height="378" />

Branka Žnidarić 2025-11-11T15:53:39Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=172916935 2025-10-22T09:01:22Z 2025-10-22T09:01:22Z

Greetings from Đurmanec, Croatia! Our leaves on the birch tree are still<br />green. Colour of the leaves is 5GY 4/8 The weather is still warm around<br />15 degrees Celsius. <img src="https://www.globe.gov/documents/d/european-phenology-campaign/20251014_100932-jpg?imagePreview=1" /><br /><img src="https://www.globe.gov/documents/d/european-phenology-campaign/20251014_100916-jpg?imagePreview=1" />

Branka Žnidarić 2025-10-22T09:01:22Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=171591668 2025-10-01T17:55:44Z 2025-10-01T17:55:44Z

Greetings from Đurmanec, Croatia! My students are observing birch tree<br />for the Autumn Phenology Campaign. Colour of the leaves: 5GY 4/8 Birch:<br />PŠ Macelj Latitude 46.245396 Longitude 15.847001 Elevation 248m <img src="https://www.globe.gov/documents/d/european-phenology-campaign/20250930_115739-jpg?imagePreview=1" />

Branka Žnidarić 2025-10-01T17:55:44Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=155659710 2025-06-02T07:37:29Z 2025-06-02T07:37:29Z

Hello from Đurmanec, Croatia! Our data for our two birch trees.<br /><img src="https://www.globe.gov/documents/18702582/0/02.06.2025_09.26.56_REC.png/a84f31bc-73ab-3bcf-e357-864c440fa091?t=1748849801314&amp;imagePreview=1" /><br /><img src="https://www.globe.gov/documents/18702582/0/02.06.2025_09.27.21_REC.png/a914031f-f038-79bd-21a6-fe8aa1c052ae?t=1748849835506&amp;imagePreview=1" /><br />​​​​​​​

Branka Žnidarić 2025-06-02T07:37:29Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=152319425 2025-04-15T08:27:56Z 2025-04-15T08:27:56Z

Hello everyone from Macelj, Croatia. The weather is cold and rainy. The length measured on our birch tree is:<br />Leaf 1: 32mm  Leaf 2: 30mm  Leaf 3: 28mm  Leaf 4: 29mm<br /><img src="https://www.globe.gov/documents/18702582/0/20250415_100418.jpg/8c6dc4ea-3c45-7805-71f3-bbbc2f4f9a03?t=1744705582423&amp;imagePreview=1" /><br /><img src="https://www.globe.gov/documents/18702582/0/20250415_100523.jpg/535e617a-4f2c-2c11-93a8-5e4b891a036b?t=1744705621115&amp;imagePreview=1" /><br />​​​​​​​

Branka Žnidarić 2025-04-15T08:27:56Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=152313944 2025-04-15T06:57:29Z 2025-04-15T06:57:29Z

Hello everyone from Đurmanec, Croatia. Yesterday, the weather was warm and sunny. The length measured on our birch tree is:<br />Leaf 1: 19mm  Leaf 2: 30mm  Leaf 3: 20mm  Leaf 4: 29mm<br /><img src="https://www.globe.gov/documents/18702582/0/20250414_131447.jpg/78daef7c-648c-2c39-e596-006d30af2ae6?t=1744700009781&amp;imagePreview=1" /><br /><img src="https://www.globe.gov/documents/18702582/0/20250414_131528.jpg/27ab6736-c351-273d-2b2f-178f67b8a75d?t=1744700045905&amp;imagePreview=1" />

Branka Žnidarić 2025-04-15T06:57:29Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=150449063 2025-04-03T18:35:42Z 2025-04-03T18:28:35Z

Hello everyone from Durmanec, Croatia!<br />Our leaves on birch tree have started to grow and we can measure them. The current air temperature is 20°C.

Branka Žnidarić 2025-04-03T18:28:35Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=149404886 2025-03-21T06:47:27Z 2025-03-21T06:47:27Z

Hello everyone! We are the students and the teachers from Elementary school Đurmanec, Croatia. We continue to observe our two birch trees.<br />Location of the trees:<br />Birch 1 OŠ Đurmanec<br />Latitude 46.196698<br />Longitude 15.834095<br />Elevation 197.3m<br />Birch 2 PŠ Macelj<br />Latitude 46.245396<br />Longitude 15.847001<br />Elevation 248m<br />All four of our leaves here are still dormant.<br />Best regards from Branka and the students!<br />​​​​​​​<img src="https://www.globe.gov/documents/18702582/0/20250317_132532.jpg/92130f7f-1215-4417-c20b-8456d04b620d?t=1742539619750&amp;imagePreview=1" />

Branka Žnidarić 2025-03-21T06:47:27Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=141805827 2024-11-29T10:00:41Z 2024-11-29T09:20:16Z

Hello from Đurmanec, Croatia! It&#39;sunny today and the current temperature is 3°C. The leaves on our birch trees have fallen off.<br />https://www.growapp.today/#/?activePhoto=98703&amp;activePhotoSet=98703&amp;fullScreen=false<br />​​​​​​​https://www.growapp.today/#/?activePhoto=64565&amp;activePhotoSet=64565&amp;fullScreen=false<br />​​​​​​​

Branka Žnidarić 2024-11-29T09:20:16Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=141248030 2024-11-20T09:46:35Z 2024-11-20T09:46:09Z

Hello from Đurmanec, Croatia! It&#39;s getting colder but the leaves on our birch trees are still here. The colour of the leaves are from 5GY7/12 to 2.5Y8/12.

Branka Žnidarić 2024-11-20T09:46:09Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=139892354 2024-10-29T09:11:47Z 2024-10-29T09:11:21Z

Hello from Đurmanec, Croatia!<br />October 28th, 2024, air temperature 17°C<br />Birch 1: 2.5Y8/12 and 5GY7/12 <br />Birch 2: 2.5Y8/12 and 5GY7/12 

Branka Žnidarić 2024-10-29T09:11:21Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=138503528 2024-10-09T07:21:55Z 2024-10-09T07:21:55Z

Greetings from Đurmanec, Croatia! My students are observing two birch trees for the Autumn Phenology Campaign.<br /><br />Current temperature: 21 degrees Celsius<br />Birch 1: colour of the leaves: 5GY 4/8<img src="https://www.globe.gov/documents/18702582/0/20240924_114826+%281%29.jpg/a58315d1-40ee-790a-e853-843fae67aa7d?t=1728458347300&amp;imagePreview=1" /><br /><br />Birch 2: colour of the leaves: 5GY 5/10<img src="https://www.globe.gov/documents/18702582/0/20241003_124022+%281%29.jpg/952ef1d3-4c5e-db1f-455e-f09be7a20442?t=1728458472091&amp;imagePreview=1" />

Branka Žnidarić 2024-10-09T07:21:55Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=126931290 2024-04-21T18:17:56Z 2024-04-21T14:45:04Z

Hello from Đurmanec, Croatia!<br />We observe two birch trees.<br />This is observation on April  18th.<br />The current air temperature  : 12 C<br /><br />Birch 1.<br />leaf 1.: 62 mm,  leaf 2.:  46 mm,   leaf 3.:   70 mm   leaf 4 : 73 mm<br />Birch 2.<br />leaf 1.: 50 mm,  leaf 2.:  48 mm,   leaf 3.:   59 mm   leaf 4 : 55 mm<br /><img src="https://www.globe.gov/documents/18702582/0/20240416_080452.jpg/9c9187a6-3f06-159c-08fc-81fb67e9c8f9?t=1713710531165&amp;imagePreview=1" /><br /><img src="https://www.globe.gov/documents/18702582/0/20240416_080307.jpg/e5077183-8eeb-a66e-932f-853742531707?t=1713710613013&amp;imagePreview=1" /><br /><img src="https://www.globe.gov/documents/18702582/0/20240411_121754.jpg/52f77ed3-02fb-80b3-6803-48f2092d1f4d?t=1713710663211&amp;imagePreview=1" /><br />​​​​​​​

Branka Žnidarić 2024-04-21T14:45:04Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=125108256 2024-03-25T09:12:37Z 2024-03-25T09:12:37Z

Hello everyone!<br />My name is Branka Žnidarić and I am a Globe teacher at elementary school Đurmanec, Croatia.<br />We continue to observe our two birch trees. <br />Location and pictures of the trees:<br />Birch 1 OŠ Đurmanec<br />Latitude 46.196698<br />Longitude 15.834095<br />Elevation 197.3m<img src="https://www.globe.gov/documents/18702582/0/20240321_124050.jpg/42b2bfc6-be0d-5b3f-f536-7eb9ba0d2029?t=1711357532948&amp;imagePreview=1" /><br /><img src="https://www.globe.gov/documents/18702582/0/20240321_124237.jpg/ad65d678-1311-8e9d-39d9-63f30ab73ac1?t=1711357602511&amp;imagePreview=1" /><br />All four of our leaves here have budbursted.<br />Birch 2 PŠ Macelj<br />Latitude 46.245396<br />Longitude 15.847001<br />Elevation 248m<img src="https://www.globe.gov/documents/18702582/0/20240319_115411.jpg/4f40ba1d-cc65-3501-a5ee-76424da19f31?t=1711357709586&amp;imagePreview=1" /><br /><img src="https://www.globe.gov/documents/18702582/0/20240319_115201+%281%29.jpg/78c17c2f-2772-db56-2b91-0f2c46259d49?t=1711357741975&amp;imagePreview=1" /><br />All four of our leaves here are still swelling.<br />Best regards from Branka and the students!

Branka Žnidarić 2024-03-25T09:12:37Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=118449669 2023-12-05T18:56:36Z 2023-12-05T18:21:39Z

Hello from Croatia! Here you can see our visualization graphs for our two birch trees.<img src="https://www.globe.gov/documents/18702582/0/05.12.2023_17.49.05_REC.png/87724b84-cd7d-2b19-0fd1-fd5bf037b3a7?t=1701800209906&amp;imagePreview=1" /><br /><img src="https://www.globe.gov/documents/18702582/0/05.12.2023_18.11.27_REC.png/c5cfb72e-f997-9a7c-d505-0b66e6832b35?t=1701800280420&amp;imagePreview=1" /><br />​​​​​​​<br />Best regards from Đurmanec, Croatia!

Branka Žnidarić 2023-12-05T18:21:39Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=117007217 2023-11-08T12:12:18Z 2023-11-08T12:12:18Z

Hello from Đurmanec, Croatia! The colour of the leaves on the birch tree in Macelj is 5GY7/12. The temperature yesterday was 13 degrees Celsius.<img src="https://www.globe.gov/documents/18702582/0/20231107_114736.jpg/4ee7e744-46b1-8895-4f14-318b13fe38d4?t=1699445380669&amp;imagePreview=1" />

Branka Žnidarić 2023-11-08T12:12:18Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=116266113 2023-10-25T11:17:44Z 2023-10-25T09:08:31Z

Hello from Đurmanec, Croatia!<br />We continue to observe two birch trees. The birch near school in Đurmanec has lost all its leaves but the ones that we observe are still there. The colour of the leaves is 5GY 7/12. <img src="https://www.globe.gov/documents/18702582/0/20231012_123623+%287%29.jpg/ed1c20ee-6a78-5865-93db-57f7598ee114?t=1698231783383&amp;imagePreview=1" /><br />The other birch tree near the school in Macelj still has got a lot of leaves. The colour of them is 5GY 6/10.  The weather is sunny and warm with temperature around 19 degrees.<img src="https://www.globe.gov/documents/18702582/0/20231024_110013.jpg/cde4c998-e411-c752-fb85-3e7a6383f60b?t=1698232422433&amp;imagePreview=1" />

Branka Žnidarić 2023-10-25T09:08:31Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=115155912 2023-10-05T10:30:25Z 2023-10-05T10:01:52Z

Greetings from Đurmanec, Croatia! My students are observing two birch trees for the Autumn Phenology Campaign.<img src="https://www.globe.gov/documents/18702582/0/20230926_114611+%281%29.jpg/1b5d3fed-be9a-a135-c9d8-60a8034b4827?t=1696499900404&amp;imagePreview=1" /><br />The colour of the leaves is 5GY4/8.<br /><img src="https://www.globe.gov/documents/18702582/0/20231005_122021.jpg/f63ef722-e710-ab0c-3b18-7a688bb5f603?t=1696501754523&amp;imagePreview=1" /><br />On the other birch a lot of leaves have already fallen. 

Branka Žnidarić 2023-10-05T10:01:52Z Branka Žnidarić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=107099001 2023-06-05T15:25:44Z 2023-06-05T15:25:44Z

Hello from Đurmanec,Croatia!<br />here are our data for our two birch trees.<br />Greetings to everyone!<img src="https://www.globe.gov/documents/18702582/0/05.06.2023_17.22.30_REC.png/b77f7dd4-891b-2b05-c537-7a7793d01e10?t=1685978663599&amp;imagePreview=1" /><br /><img src="https://www.globe.gov/documents/18702582/0/05.06.2023_17.23.05_REC.png/28dccc20-9c2e-c649-9655-085ff1fe0196?t=1685978727454&amp;imagePreview=1" /><br />​​​​​​​

Branka Žnidarić 2023-06-05T15:25:44Z